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Dtcs P2305 to U1449: Diagnosis Dodge Durango III

Testing & Diagnostics ~7739 words

DIAGNOSTIC TEST

  1. ACTIVE DIAGNOSTIC TROUBLE CODE (DTC) NOTE: Inspect the vehicle for aftermarket accessories that may exceed the Generator System output. NOTE: The battery must be fully charged. NOTE: The Generator belt tension and condition must be checked before continuing. Ignition on, engine not running. With a scan tool, select View DTCs. Read and record the related Freeze Frame data for P2504. With a scan tool, erase DTCs. Start the engine. Allow the idle to stabilize. Using the scan tool, read the active DTCs. Is the DTC Active at this time? Yes Go To 2 . No Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  2. (A11) BATTERY POSITIVE CIRCUIT VISUAL INSPECTION Turn the ignition off. Inspect the (A11) Battery Positive circuit at Generator Output post for corrosion and looseness. Inspect the Battery + and - cables for corrosion and looseness. Inspect the (A11) Battery Positive circuit at the Battery + post for corrosion and looseness. Were any problems found? Yes Repair and replace as necessary. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Go To 3 .
  3. EXCESSIVE RESISTANCE IN THE (A209) BATTERY FEED CIRCUIT CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install the PCM Pinout Box (special tool #8815A, Kit, NGC, 38 Position) and PCM Pinout Box Adapter (special tool #8815-1, PCM Pinout Box Adapter) to perform diagnosis. Disconnect the C1 PCM harness connector. Inspect the Engine Control Direct Battery Feed Fuse in the PDC. Perform a voltage drop test on the (A209) Battery Feed circuit from the appropriate terminal of PCM Pinout Box (special tool #8815-1, PCM Pinout Box Adapter) to the PDC Fuse Panel. Using a Voltmeter probe the appropriate terminal of PCM Pinout Box (special tool #8815-1, PCM Pinout Box Adapter) with the Negative lead of the Voltmeter and back probe the (A209) Battery Feed circuit at the PDC Fuse Panel with the Positive lead of the Voltmeter. WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts or fan. Do not wear loose clothing. Failure to follow these instructions may result in possible serious or fatal injury. Start the engine Monitor the Voltmeter. Is the voltage above 0.4 of a Volt? Yes Repair the excessive resistance in the (A209) Battery Feed circuit between the PCM and IPM. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Go To 4 .
  4. POWERTRAIN CONTROL MODULE (PCM) Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Generator and the Powertrain Control Module (PCM). Look for any chafed, pierced, pinched, or partially broken wires. Look for broken, bent, pushed out or corroded terminals. Verify that there is good pin to terminal contact in the Generator and the Powertrain Control Module connectors. Perform any Technical Service Bulletins that may apply. Were there any problems found? Yes Repair as necessary. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Replace and program the Powertrain Control Module (PCM) in accordance with the service information. Refer to «MODULE, POWERTRAIN CONTROL, REMOVAL»(ref-465939-S29940986652012042300000) , and «PCM/ECM REPROGRAMMING - GAS»(ref-466029-S11460167372012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. ACTIVE DTC NOTE: Diagnose any Misfire DTCs before continuing. Ignition on, engine not running. With a scan tool, select View DTCs. NOTE: Diagnose any Oil Pressure DTCs before continuing. Is the DTC Active at this time? Yes Go To 2 . No Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  2. MDS SOLENOID 1 Turn the ignition off. Remove the Intake Manifold in accordance with the service information. Refer to «SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL, 5.7L»(ref-465934-S42536055632012042300000) . Turn the ignition on. With the scan tool actuate the MDS Solenoid 1. Can you feel and hear the Solenoid Actuating? Yes Go To 3 . No Remove the Solenoid and check for any debris that may be blocking the oil passages to the Solenoid. If the passages are clogged, clean the passages and replace the MDS Solenoid 1. If the passages are not clogged with debris, replace the MDS Solenoid 1. Refer to «SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL, 5.7L»(ref-465934-S42536055632012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  3. MDS SOLENOID 7 With the scan tool actuate the MDS Solenoid 7. Can you feel and hear the Solenoid Actuating? Yes Go To 4 . No Remove the Solenoid and check for any debris that may be blocking the oil passages to the Solenoid. If the passages are restricted, clean the passages and replace the MDS Solenoid 7. If the passages are not clogged with debris, replace the MDS Solenoid 7. Refer to «SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL, 5.7L»(ref-465934-S42536055632012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  4. OIL PASSAGES RESTRICTED Turn the ignition off. Remove both Solenoids on Bank 1 of the engine block. Refer to «SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL, 5.7L»(ref-465934-S42536055632012042300000) . Remove the Bank 1 Cylinder Head in accordance with the service information. Remove the Lifters from the left engine bank. Inspect the oil passages to the Solenoids and from the Solenoids to the lifters. Are the passages blocked? Yes Clean the oil passages as necessary. If the entire engine is restricted disassembly of the entire engine block may be necessary. Refer to «DIAGNOSIS AND TESTING»(ref-465934-S33068081012012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Replace both sets of lifters if no other possible causes remain. Refer to «LIFTER(S), HYDRAULIC, ROLLER, REMOVAL, 5.7L»(ref-465934-S04795380342012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. ACTIVE DTC NOTE: Diagnose any Misfire DTCs before continuing. Start the engine and allow it to reach normal operating temperature. WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts or fan. Do not wear loose clothing. Failure to follow these instructions may result in possible serious or fatal injury. NOTE: It may be necessary to test drive the vehicle in order for this DTC to set. With the scan tool, select View DTCs. Is the DTC Active at this time? Yes Go To 2 . No Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  2. CHECKING PCM CONTROL SIDE FOR THE MDS SOLENOID (C140) Turn the ignition off. Disconnect the C140 harness connector. Using a 12-volt test light, jumper from the (Z908) Ground Circuit and the (K452) MDS Solenoid No. 4 Control Circuit in the C140 harness connector (PCM side). Turn the ignition on. With the scan tool, actuate the MDS Solenoid No. 4. NOTE: The test light should be illuminated and bright proportional to the maximum duty cycle allowed by the scan tool. For example, if the scan tool allows 100% actuation, the brightness should be as bright as a direct connection to the battery. If the scan tool allows a maximum 25% actuation, the brightness should be 25% as bright as a direct connection to the battery. Does the test light illuminate accordingly during the actuation? Yes Go To 3 . No Go To 4 .
  3. MDS SOLENOID RESISTANCE Turn the ignition off. Measure the resistance between the (Z908) Ground Circuit and the (K452) MDS Solenoid No. 4 Control Circuit in the C140 harness connector (MDS side). NOTE: It is important to follow the below temp/resistance values to ensure an accurate reading. MDS SOLENOID RESISTANCE TEMPERATURE VALUE RESISTANCE - MINIMUM RESISTANCE - MAXIMUM -18° C (0° F) 7.22 ? 8.12 ? 0° C (32° F) 7.92 ? 8.82 ? 20° C (68° F) 8.72 ? 9.62 ? 38° C (100° F) 9.42 ? 10.32 ? 66° C (150° F) 10.62 ? 11.52 ? 93° C (200° F) 11.82 ? 12.72 ? 121° C (250° F) 12.82 ? 13.72 ? 149° C (300° F) 14.02 ? 14.92 ? Is the resistance within an acceptable range? Yes Go To 7 . No Visually and Physically inspect the wiring harness between the C140 connector and the MDS Solenoid connector. Repair as necessary. If OK, replace the MDS Solenoid in accordance with the Service Information.
  4. (Z908) GROUND CIRCUIT OPEN (PCM SIDE) Turn the ignition off. Using a 12-volt test light connected to 12-volts, probe the (Z908) Ground circuit in the C140 harness connector (PCM side). Does the test light illuminate brightly? Yes Go To 5 . No Repair the open in the (Z908) Ground circuit. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  5. (K452) MDS SOLENOID NO. 4 CONTROL CIRCUIT SHORTED TO GROUND (PCM SIDE) Turn the ignition off. Disconnect the C1 PCM harness connector. Measure the resistance between ground and the (K452) MDS Solenoid No. 4 Control circuit in the C140 harness connector. Is the resistance below 100 Ohms? Yes Repair the short to ground in the (K452) MDS Solenoid No. 4 Control circuit between the PCM harness connector and the C140 harness connector. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Go To 6 .
  6. (K452) MDS SOLENOID NO. 4 CONTROL CIRCUIT OPEN (PCM SIDE) CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install the PCM Pinout Box (special tool #8815A, Kit, NGC, 38 Position) to perform diagnosis. Measure the resistance of the (K452) MDS Solenoid No. 4 Control circuit from the C140 harness connector to the appropriate terminal of PCM Pinout Box (special tool #8815A, Kit, NGC, 38 Position). Is the resistance below 5.0 Ohms? Yes Replace and program the Powertrain Control Module in accordance with the Service Information. Refer to «MODULE, POWERTRAIN CONTROL, REMOVAL»(ref-465939-S29940986652012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Repair the open in the (K452) MDS Solenoid No. 4 Control circuit between the C140 harness connector and the PCM harness connector. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  7. MDS SOLENOID 4 Turn the ignition off. Remove the Intake Manifold in accordance with the Service Information. Refer to «MANIFOLD, INTAKE, REMOVAL, 5.7L»(ref-465934-S15296552422012042300000) . Reconnect the C1 PCM harness connector. Turn the ignition on. With the scan tool actuate the MDS Solenoid 4. Can you feel and hear the Solenoid Actuating? Yes Go To 8 . No Remove the Solenoid (1) and check for any debris that may be blocking the oil passages (3) to the Solenoid. If the passages are clogged, clean the passages and replace the MDS Solenoid 4. If the passages are not clogged with debris, replace the MDS Solenoid 4. Refer to «SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL, 5.7L»(ref-465934-S42536055632012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  8. OIL PASSAGES RESTRICTED Turn the ignition off. Remove both Solenoids on Bank 2 of the engine block. Refer to «SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL, 5.7L»(ref-465934-S42536055632012042300000) . Remove the Bank 2 Cylinder Head in accordance with the Service Information. Refer to «CYLINDER HEAD, REMOVAL, 5.7L»(ref-465934-S28994155882012042300000) . Remove the Lifters from the right engine bank. Refer to «LIFTER(S), HYDRAULIC, ROLLER, REMOVAL, 5.7L»(ref-465934-S04795380342012042300000) . Inspect the oil passages to the Solenoids and from the Solenoids to the lifters. Are the passages blocked? Yes Clean the oil passages as necessary. If the entire engine is restricted disassembly of the entire engine block may be necessary. Refer to «DIAGNOSIS AND TESTING»(ref-465934-S33068081012012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Replace both sets of lifters if no other possible causes remain. Refer to «LIFTER(S), HYDRAULIC, ROLLER, REMOVAL, 5.7L»(ref-465934-S04795380342012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. ACTIVE DTC NOTE: Diagnose any Misfire DTCs before continuing. Start the engine and allow it to reach normal operating temperature. WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts or fan. Do not wear loose clothing. Failure to follow these instructions may result in possible serious or fatal injury. NOTE: It may be necessary to test drive the vehicle in order for this DTC to set. With the scan tool, select View DTCs. Is the DTC Active at this time? Yes Go To 2 . No Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  2. CHECKING PCM CONTROL SIDE FOR THE MDS SOLENOID (MDS) Turn the ignition off. Disconnect the MDS harness connector. Using a 12-volt test light, connect between (Z908) Ground Circuit and the (K453) MDS Solenoid No. 6 Control Circuit in the MDS harness connector (PCM side). Turn the ignition on. With the scan tool, actuate the MDS Solenoid No. 6. NOTE: The test light should be illuminated and bright proportional to the maximum duty cycle allowed by the scan tool. For example, if the scan tool allows 100% actuation, the brightness should be as bright as a direct connection to the battery. If the scan tool allows a maximum 25% actuation, the brightness should be 25% as bright as a direct connection to the battery. Does the test light illuminate accordingly during the actuation? Yes Go To 3 . No Go To 4 .
  3. MDS SOLENOID RESISTANCE Turn the ignition off. Measure the resistance between the (Z908) Ground Circuit and the (K453) MDS Solenoid No. 6 Control Circuit in the MDS harness connector (MDS side). NOTE: It is important to follow the below temp/resistance values to ensure an accurate reading. MDS SOLENOID RESISTANCE TEMPERATURE VALUE RESISTANCE - MINIMUM RESISTANCE - MAXIMUM -18° C (0° F) 7.22 ? 8.12 ? 0° C (32° F) 7.92 ? 8.82 ? 20° C (68° F) 8.72 ? 9.62 ? 38° C (100° F) 9.42 ? 10.32 ? 66° C (150° F) 10.62 ? 11.52 ? 93° C (200° F) 11.82 ? 12.72 ? 121° C (250° F) 12.82 ? 13.72 ? 149° C (300° F) 14.02 ? 14.92 ? Is the resistance within an acceptable range? Yes Go To 7 . No Visually and Physically inspect the wiring harness between the MDS connector and the MDS Solenoid connector. Repair as necessary. If OK, replace the MDS Solenoid in accordance with the Service Information. Refer to «SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL, 5.7L»(ref-465934-S42536055632012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  4. (Z908) GROUND CIRCUIT OPEN (PCM SIDE) Turn the ignition off. Using a 12-volt test light connected to 12-volts, probe the (Z908) Ground circuit in the MDS harness connector (PCM side). Does the test light illuminate brightly? Yes Go To 5 . No Repair the open in the (Z908) Ground circuit. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  5. (K453) MDS SOLENOID NO. 6 CONTROL CIRCUIT SHORTED TO GROUND (PCM SIDE) Disconnect the C2 PCM harness connector. Measure the resistance between ground and the (K453) MDS Solenoid No. 6 Control circuit in the MDS harness connector. Is the resistance below 100 Ohms? Yes Repair the short to ground in the (K453) MDS Solenoid No. 6 Control circuit between the PCM harness connector and the MDS harness connector. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Go To 6 .
  6. (K453) MDS SOLENOID NO. 6 CONTROL CIRCUIT OPEN (PCM SIDE) CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install the PCM Pinout Box (special tool #8815A, Kit, NGC, 38 Position) to perform diagnosis. Measure the resistance of the (K453) MDS Solenoid No. 6 Control circuit from the MDS harness connector to the appropriate terminal of PCM Pinout Box (special tool #8815A, Kit, NGC, 38 Position). Is the resistance below 5.0 Ohms? Yes Replace and program the Powertrain Control Module in accordance with the Service Information. Refer to «MODULE, POWERTRAIN CONTROL, REMOVAL»(ref-465939-S29940986652012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Repair the open in the (K453) MDS Solenoid No. 6 Control circuit between the MDS harness connector and the PCM harness connector. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  7. MDS SOLENOID 6 Turn the ignition off. Remove the Intake Manifold in accordance with the Service Information. Refer to «MANIFOLD, INTAKE, REMOVAL, 5.7L»(ref-465934-S15296552422012042300000) . Reconnect the C2 PCM harness connector. Turn the ignition on. With the scan tool actuate the MDS Solenoid 6. Can you feel and hear the Solenoid Actuating? Yes Go To 8 . No Remove the Solenoid (1) and check for any debris that may be blocking the oil passages (3) to the Solenoid. If the passages are clogged, clean the passages and replace the MDS Solenoid 6. If the passages are not clogged with debris, replace the MDS Solenoid 6. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  8. OIL PASSAGES RESTRICTED Turn the ignition off. Remove both Solenoids on Bank 2 of the engine block. Refer to «SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL, 5.7L»(ref-465934-S42536055632012042300000) . Remove the Bank 2 Cylinder Head in accordance with the Service Information. Refer to «CYLINDER HEAD, REMOVAL, 5.7L»(ref-465934-S28994155882012042300000) . Remove the Lifters from the right engine bank. Refer to «LIFTER(S), HYDRAULIC, ROLLER, REMOVAL, 5.7L»(ref-465934-S04795380342012042300000) . Inspect the oil passages to the Solenoids and from the Solenoids to the lifters. Are the passages blocked? Yes Clean the oil passages as necessary. If the entire engine is restricted disassembly of the entire engine block may be necessary. Refer to «DIAGNOSIS AND TESTING»(ref-465934-S33068081012012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Replace both sets of lifters if no other possible causes remain. Refer to «LIFTER(S), HYDRAULIC, ROLLER, REMOVAL, 5.7L»(ref-465934-S04795380342012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. ACTIVE DTC NOTE: Diagnose any Misfire DTCs before continuing. Start the engine and allow it to reach normal operating temperature. WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts or fan. Do not wear loose clothing. Failure to follow these instructions may result in possible serious or fatal injury. NOTE: It may be necessary to test drive the vehicle in order for this DTC to set. With the scan tool, select View DTCs. Is the DTC Active at this time? Yes Go To 2 . No Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  2. CHECKING PCM CONTROL SIDE FOR THE MDS SOLENOID (C140) Turn the ignition off. Disconnect the C140 harness connector. Using a 12-volt test light, jumper from the (Z908) Ground circuit and the (K454) MDS Solenoid No. 7 Control circuit in the C140 harness connector (PCM side). Turn the ignition on. With the scan tool, actuate the MDS Solenoid No. 7. NOTE: The test light should be illuminated and bright proportional to the maximum duty cycle allowed by the scan tool. For example, if the scan tool allows 100% actuation, the brightness should be as bright as a direct connection to the battery. If the scan tool allows a maximum 25% actuation, the brightness should be 25% as bright as a direct connection to the battery. Does the test light illuminate accordingly during the actuation? Yes Go To 3 . No Go To 4 .
  3. MDS SOLENOID RESISTANCE Turn the ignition off. Measure the resistance between the (Z908) Ground Circuit and the (K454) MDS Solenoid No. 7 Control Circuit in the C140 harness connector (MDS side). NOTE: It is important to follow the below temp/resistance values to ensure an accurate reading. MDS SOLENOID RESISTANCE TEMPERATURE VALUE RESISTANCE - MINIMUM RESISTANCE - MAXIMUM -18° C (0° F) 7.22 ? 8.12 ? 0° C (32° F) 7.92 ? 8.82 ? 20° C (68° F) 8.72 ? 9.62 ? 38° C (100° F) 9.42 ? 10.32 ? 66° C (150° F) 10.62 ? 11.52 ? 93° C (200° F) 11.82 ? 12.72 ? 121° C (250° F) 12.82 ? 13.72 ? 149° C (300° F) 14.02 ? 14.92 ? Is the resistance within an acceptable range? Yes Go To 7 . No Visually and Physically inspect the wiring harness between the C140 connector and the MDS Solenoid connector. Repair as necessary. If OK, replace the MDS Solenoid in accordance with the Service Information.
  4. (Z908) GROUND CIRCUIT OPEN (PCM SIDE) Turn the ignition off. Using a 12-volt test light connected to 12-volts, probe the (Z908) Ground circuit in the C140 harness connector (PCM side). Does the test light illuminate brightly? Yes Go To 5 . No Repair the open in the (Z908) Ground circuit. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  5. (K454) MDS SOLENOID NO. 7 CONTROL CIRCUIT SHORTED TO GROUND (PCM SIDE) Turn the ignition off. Disconnect the C3 PCM harness connector. Measure the resistance between ground and the (K454) MDS Solenoid No. 7 Control circuit in the C140 harness connector. Is the resistance below 100 Ohms? Yes Repair the short to ground in the (K454) MDS Solenoid No. 7 Control circuit between the PCM harness connector and the C140 harness connector. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Go To 6 .
  6. (K454) MDS SOLENOID NO. 7 CONTROL CIRCUIT OPEN (PCM SIDE) CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage the PCM terminals resulting in poor terminal to pin connection. Install the PCM Pinout Box (special tool #8815A, Kit, NGC, 38 Position) to perform diagnosis. Measure the resistance of the (K454) MDS Solenoid No. 7 Control circuit from the C140 harness connector to the appropriate terminal of PCM Pinout Box (special tool #8815A, Kit, NGC, 38 Position). Is the resistance below 5.0 Ohms? Yes Replace and program the Powertrain Control Module in accordance with the Service Information. Refer to «MODULE, POWERTRAIN CONTROL, REMOVAL»(ref-465939-S29940986652012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Repair the open in the (K454) MDS Solenoid No. 7 Control circuit between the C140 harness connector and the PCM harness connector. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  7. MDS SOLENOID 7 Turn the ignition off. Remove the Intake Manifold in accordance with the Service Information. Refer to «MANIFOLD, INTAKE, REMOVAL, 5.7L»(ref-465934-S15296552422012042300000) . Reconnect the C3 PCM harness connector. Turn the ignition on. With the scan tool actuate the MDS Solenoid 7. Can you feel and hear the Solenoid Actuating? Yes Go To 8 . No Remove the Solenoid (1) and check for any debris that may be blocking the oil passages (3) to the Solenoid. If the passages are clogged, clean the passages and replace the MDS Solenoid 7. If the passages are not clogged with debris, replace the MDS Solenoid 7.
  8. OIL PASSAGES RESTRICTED Turn the ignition off. Remove both Solenoids on Bank 1 of the engine block in accordance with the Service Information. Refer to «SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL, 5.7L»(ref-465934-S42536055632012042300000) . Remove the Bank 1 Cylinder Head in accordance with the Service Information. Refer to «CYLINDER HEAD, REMOVAL, 5.7L»(ref-465934-S28994155882012042300000) . Remove the Lifters from the right engine bank in accordance with the Service Information. Refer to «LIFTER(S), HYDRAULIC, ROLLER, REMOVAL, 5.7L»(ref-465934-S04795380342012042300000) . Inspect the oil passages to the Solenoids and from the Solenoids to the lifters. Are the passages blocked? Yes Clean the oil passages as necessary. If the entire engine is restricted disassembly of the entire engine block may be necessary. Refer to «DIAGNOSIS AND TESTING»(ref-465934-S33068081012012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Replace both sets of lifters if no other possible causes remain. Refer to «LIFTER(S), HYDRAULIC, ROLLER, REMOVAL, 5.7L»(ref-465934-S04795380342012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. ACTIVE DTC NOTE: Diagnose any Misfire DTCs before continuing. Ignition on, engine not running. With the scan tool, select View DTCs. NOTE: Diagnose any Deactivation or Oil Pressure DTCs before continuing with this test. Is the DTC Active at this time? Yes Go To 2 . No Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  2. MDS SOLENOID 4 Turn the ignition off. Remove the Intake Manifold in accordance with the Service Information. Refer to «MANIFOLD, INTAKE, REMOVAL, 5.7L»(ref-465934-S15296552422012042300000) . Turn the ignition on. NOTE: The DTC needs to be cleared before actuating the Solenoid, if the DTC is not cleared, the Solenoid may not be allowed to actuate. With the scan tool actuate the MDS Solenoid 4. Can you feel and hear the Solenoid Actuating? Yes Go To 3 . No Remove the Solenoid and check for any debris that may be blocking the oil passages to the Solenoid. If the passages are clogged, clean the passages and replace the MDS Solenoid 4. If the passages are not clogged with debris, replace the MDS Solenoid 4. Refer to «SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL, 5.7L»(ref-465934-S42536055632012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  3. MDS SOLENOID 6 With the scan tool actuate the MDS Solenoid 6. NOTE: The DTC needs to be cleared before actuating the Solenoid, if the DTC is not cleared, the Solenoid may not be allowed to actuate. Can you feel and hear the Solenoid Actuating? Yes Go To 4 . No Remove the Solenoid and check for any debris that may be blocking the oil passages to the Solenoid. If the passages are restricted, clean the passages and replace the MDS Solenoid 6. If the passages are unable to be cleaned out, replacing the engine block may be necessary. If the passages are not clogged with debris, replace the MDS Solenoid 6. Refer to «SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL, 5.7L»(ref-465934-S42536055632012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  4. OIL PASSAGES RESTRICTED Turn the ignition off. Remove both Solenoids on Bank 2 of the engine block. Refer to «SOLENOID, MULTIPLE DISPLACEMENT, REMOVAL, 5.7L»(ref-465934-S42536055632012042300000) . Remove the Bank 2 Cylinder Head in accordance with the Service Information. Refer to «CYLINDER HEAD, REMOVAL, 5.7L»(ref-465934-S28994155882012042300000) . Remove the each pair of lifters for Cylinders 4 and 6. Refer to «LIFTER(S), HYDRAULIC, ROLLER, REMOVAL, 5.7L»(ref-465934-S04795380342012042300000) . Inspect the oil passages to the Solenoids and from the Solenoids to the lifters. Are the passages blocked? Yes Clean the oil passages as necessary. If the entire engine is restricted disassembly of the entire engine block may be necessary. Refer to «DIAGNOSIS AND TESTING»(ref-465934-S33068081012012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Replace both sets of lifters if no other possible causes remain. Refer to «LIFTER(S), HYDRAULIC, ROLLER, REMOVAL, 5.7L»(ref-465934-S04795380342012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE NOTE: Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. Turn the ignition on. With the scan tool, read active DTCs. Is this DTC active? Yes Refer to «U0001-CAN C BUS»(ref-466035-S36256483982012042300000) and perform the diagnostic procedure. No Refer to «STORED LOST COMMUNICATION DTCS»(ref-465945-S35612360222012042300000) and perform the diagnostic procedure.
  1. ACTIVE DTC Ignition on, engine not running. With the scan tool, select view DTCs. Is the DTC Active at this time? Yes Diagnose the U0002-CAN C BUS OFF PERFORMANCE as the U0001-CAN C BUS CIRCUIT test . Refer to «U0001-CAN C BUS»(ref-466035-S36256483982012042300000) and perform the diagnostic procedure. No Refer to «STORED LOST COMMUNICATION DTCS»(ref-465945-S35612360222012042300000) and perform the diagnostic procedure.
  1. ACTIVE DTC Ignition on, engine not running. With the scan tool, select view DTCs. Is the DTC Active at this time? Yes Refer to «U0100-LOST COMMUNICATION WITH ECM/PCM»(ref-466035-S34006568632012042300000) and perform the diagnostic procedure. No Refer to «STORED LOST COMMUNICATION DTCS»(ref-465945-S35612360222012042300000) and perform the diagnostic procedure.
  1. VERIFY DTC IS ACTIVE NOTE: Make sure the IOD fuse is installed and the battery is fully charged before proceeding. Turn the ignition on. With the scan tool, read active DTCs. Is this DTC active? Yes Refer to «U0101-LOST COMMUNICATION WITH TCM»(ref-466035-S17461974262012042300000) and perform the diagnostic procedure. No Refer to «STORED LOST COMMUNICATION DTCS»(ref-465945-S35612360222012042300000) and perform the diagnostic procedure.
  1. VERIFY THE DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE NOTE: Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. Using the scan tool, read active DTCs. Is this DTC active? Yes Go To 2 . No Refer to «STORED LOST COMMUNICATION DTCS»(ref-465945-S35612360222012042300000) and perform the diagnostic procedure.
  2. CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS Using the scan tool, read all active DTCs from all modules. NOTE: Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or ignition related DTCs. Does the scan tool display any active DTCs to the conditions listed above? Yes Go to and perform the appropriate diagnostic procedure. No Go To 3 .
  3. VERIFY THE SHIFTER LEVER ASSEMBLY OR THE ELECTRONIC SHIFT MODULE (ESM) IS ACTIVE ON THE BUS Turn the ignition on. Using the scan tool, select ECU View. Verify the ESM is active on the bus. Is the ESM active on the bus? Yes Go To 4 . No Perform the appropriate NO RESPONSE FROM ESM diagnostic procedure. Refer to «DIAGNOSIS AND TESTING»(ref-465945-S21111524872012042300000) .
  4. CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS Using the scan tool, select Network View and select Advanced. Is there more than one module with active DTCs "Logged Against" the Shifter Lever Assembly (NAG 1 Only) or if applicable the Electronic Shift Module (Column NAG 1)? Yes Replace/update the Shifter Lever Assembly (NAG 1 Only) or if applicable the Electronic Shift Module (Column NAG 1) in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-465990-S29694203322012042300000) . No Replace/update the module that set this DTC in accordance with the Service Information. Perform the appropriate verification test for the module being replaced. If there is no verification test for the associated module perform the BODY VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-465990-S29694203322012042300000) .
  1. VERIFY ACTIVE DTC NOTE: Make sure the IOD fuse is installed and battery Voltage is between 10 and 16 Volts before proceeding. Turn the ignition on. Using a scan tool, read DTCs. Is the U0114-LOST COMMUNICATION WITH FINAL DRIVE CONTROL MODULE (FDCM) (ASBS) DTC active? Yes Refer to «U0114-LOST COMMUNICATION WITH FINAL DRIVE CONTROL MODULE»(ref-465984-S25217611692012042300000) and perform the U0114-Lost Communication with Final Drive Control Module (FDCM) (ASBS) diagnostic procedure. No Refer to «STORED LOST COMMUNICATION DTCS»(ref-465945-S35612360222012042300000) and perform the diagnostic procedure.
  1. ACTIVE DTC Ignition on, engine not running. With the scan tool, select view DTCs. Is the DTC Active at this time? Yes Refer to «U0121-LOST COMMUNICATION WITH ABS»(ref-466035-S04413848032012042300000) and perform the diagnostic procedure. No Refer to «STORED LOST COMMUNICATION DTCS»(ref-465945-S35612360222012042300000) and perform the diagnostic procedure.
  1. VERIFY DTC IS ACTIVE NOTE: Make sure the IOD fuse is installed and the battery is fully charged before proceeding. Turn the ignition on. With the scan tool, read active DTCs. Is this DTC active? Yes Refer to «U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM)»(ref-466035-S00628722512012042300000) and perform the diagnostic procedure. No Refer to «STORED LOST COMMUNICATION DTCS»(ref-465945-S35612360222012042300000) and perform the diagnostic procedure.
  1. VERIFY THE DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE NOTE: Make sure the IOD fuse is installed and the battery is fully charged before proceeding. Turn the ignition on. With the scan tool, read active DTCs. Is this DTC active? Yes Refer to «U0151-LOST COMMUNICATION WITH OCCUPANT RESTRAINT CONTROLLER (ORC)»(ref-466035-S20090742082012042300000) and perform the diagnostic procedure. No Refer to «STORED LOST COMMUNICATION DTCS»(ref-465945-S35612360222012042300000) and perform the diagnostic procedure.
  1. ACTIVE DTC NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem. Ignition on, engine not running. With a scan tool, select View DTCs. Is the status Active for this DTC? Yes Refer to «U0168-LOST COMMUNICATION WITH VEHICLE SECURITY CONTROL MODULE (WIRELESS IGNITION NODE [WIN])»(ref-466035-S32491353142012042300000) and perform the diagnostic procedure. No Refer to «STORED LOST COMMUNICATION DTCS»(ref-465945-S35612360222012042300000) and perform the diagnostic procedure.
  1. PCM PROGRAMMED WITH INCORRECT SOFTWARE Ignition on, engine not running. Program the PCM in accordance with the Service Information. Refer to «PCM/ECM REPROGRAMMING - GAS»(ref-466029-S11460167372012042300000) . Start the engine. Allow the engine to reach normal operating temperature. With a scan tool, select read the active DTCs. Does the scan tool display U0300-INTERNAL CONTROL MODULE SOFTWARE INCOMPATIBILITY? Yes Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to «MODULE, POWERTRAIN CONTROL, REMOVAL»(ref-465939-S29940986652012042300000) , and «PCM/ECM REPROGRAMMING - GAS»(ref-466029-S11460167372012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No The Powertrain Control Module (PCM) has been successfully programmed. Test is complete. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. ACTIVE DTC Ignition on, engine not running. With the scan tool, View PCM DTCs. Is the DTC Active at this time? Yes Refer to «U0212-LOST COMMUNICATION WITH SCM»(ref-466035-S00224422802012042300000) and perform the diagnostic procedure. No Refer to «STORED LOST COMMUNICATION DTCS»(ref-465945-S35612360222012042300000) and perform the diagnostic procedure.
  1. ACTIVE DTC NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem. Ignition on, engine not running. With a scan tool, select View PCM DTCs. Is the status Active for this DTC? Yes Go To 2 . No Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  2. U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM) ALSO ACTIVE With the scan tool, select View DTCs. Is the U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM) also set? Yes Perform the «U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM)»(ref-466035-S00628722512012042300000) and perform the diagnostic procedure. No Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to «MODULE, POWERTRAIN CONTROL, REMOVAL»(ref-465939-S29940986652012042300000) , and «PCM/ECM REPROGRAMMING - GAS»(ref-466029-S11460167372012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. ACTIVE DTC Ignition on, engine not running. With the scan too, select View PCM DTCs. Is the DTC Active at this time? Yes Go To 2 . No Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  2. U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE (TIPM) ALSO ACTIVE With the scan too, select View DTCs. Is the U0141-NO BUS MESSAGE RECEIVED FROM THE TIPM also set? Yes Follow the diagnostics for U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM). Refer to «U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM)»(ref-466035-S00628722512012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Replace and program the Powertrain Control Module in accordance with the service information. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. ACTIVE DTC NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem. Ignition on, engine not running. With a scan tool, select View PCM DTCs. Is the status Active for this DTC? Yes Go To 2 . No Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  2. U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM) ALSO ACTIVE With the scan tool, select View DTCs. Is the U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM) also set? Yes Perform U0141-Lost Communication with IPM (FCM/TIPM) diagnostic procedure. Refer to «U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM)»(ref-466035-S00628722512012042300000) . No Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to «MODULE, POWERTRAIN CONTROL, REMOVAL»(ref-465939-S29940986652012042300000) , and «PCM/ECM REPROGRAMMING - GAS»(ref-466029-S11460167372012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. ACTIVE DTC NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem. Ignition on, engine not running. With a scan tool, select View DTCs. Is the status Active for this DTC? Yes Go To 2 . No Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  2. U0121-LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE ALSO SET With a scan tool, select View DTCs. Is the DTC U0121-LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE also set? Yes Perform the «U0121-LOST COMMUNICATION WITH ABS»(ref-466035-S04413848032012042300000) diagnostic procedure. No Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to «MODULE, POWERTRAIN CONTROL, REMOVAL»(ref-465939-S29940986652012042300000) , and «PCM/ECM REPROGRAMMING - GAS»(ref-466029-S11460167372012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. ACTIVE DTC Ignition on, engine not running. With the scan tool, select View PCM DTCs. Is the DTC Active at this time? Yes Go To 2 . No Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  2. U0141-LOST COMMUNICATION WITH TOTALLY INTEGRATED POWER MODULE ALSO ACTIVE With the scan tool, select View DTCs. Is the U0141-NO BUS MESSAGE RECEIVED FROM THE FRONT CONTROL MODULE (TIPM) also set? Yes Follow the diagnostics for U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM). Refer to «U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM)»(ref-466035-S00628722512012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Replace and program the Powertrain Control Module in accordance with the Service Information. Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. ACTIVE DTC Ignition on, engine not running. With the scan tool, select View PCM DTCs. Is the DTC Active at this time? Yes Go To 2 . No Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  2. U0121-LOST COMMUNICATION WITH ABS MODULE ALSO SET With the scan tool continue reading DTCs. Is the U0121-LOST COMMUNICATION WITH ABS MODULE also set? Yes Follow the diagnostics for U0121-LOST COMMUNICATION WITH ABS MODULE. Refer to «U0121-LOST COMMUNICATION WITH ABS»(ref-466035-S04413848032012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) . No Replace and program the Powertrain Control Module in accordance with the Service Information. Refer to «MODULE, POWERTRAIN CONTROL, REMOVAL»(ref-465939-S29940986652012042300000) , and «PCM/ECM REPROGRAMMING - GAS»(ref-466029-S11460167372012042300000) . . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. ACTIVE DTC NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem. Turn the ignition on. With a scan tool, select View DTCs. Is the status Active for this DTC? Yes Refer to «DIAGNOSIS AND TESTING»(ref-465959-S14113599022012042300000) for diagnostic procedures and for further possible causes. No Refer to «STORED LOST COMMUNICATION DTCS»(ref-465945-S35612360222012042300000) and perform the diagnostic procedure.
  1. ACTIVE DTC NOTE: Diagnose all communication DTCs before continuing. NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem. Ignition on, engine not running. With a scan tool, select View DTCs. Is the status Active for this DTC? Yes Go To 2 . No Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  2. CAN B BUS COMMUNICATION DTCS ALSO ACTIVE With a scan tool select View DTCs in the TIPM. Are any CAN B Bus DTCs active? Yes Perform the appropriate diagnostic procedure. Refer to «DIAGNOSIS AND TESTING»(ref-465991-S16226542852012042300000) . No Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to «MODULE, POWERTRAIN CONTROL, REMOVAL»(ref-465939-S29940986652012042300000) , and «PCM/ECM REPROGRAMMING - GAS»(ref-466029-S11460167372012042300000) . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. ACTIVE DTC NOTE: Diagnose and repair any related sensor or communication DTCs in the TIPM before continuing with this test. Start the engine and allow it to reach operating temperature. WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in possible serious or fatal injury. With the scan tool, select View DTCs. Is the status Active for this DTC? Yes Perform the U0141-Lost Communication with IPM (FCM/TIPM) diagnostic procedure. Refer to «U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM)»(ref-466035-S00628722512012042300000) . No Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  1. ACTIVE DTC Ignition on, engine not running. With the scan tool, select View DTCs. Is the U1412-IMPLAUSIBLE VEHICLE SPEED SIGNAL RECEIVED Active at this time? Yes Go To 2 . No Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  2. U0001-NO COMMUNICATION ON THE CAN C BUS CIRCUIT IS ACTIVE Continue reading DTCs. Is the U0001-NO COMMUNICATION ON THE CAN C BUS CIRCUIT ACTIVE at this time? Yes Refer to «U0001-CAN C BUS»(ref-466035-S36256483982012042300000) and perform the diagnostic procedure. No Go To 3 .
  3. ABS MODULE IS ACTIVE ON THE CAN C BUS With the scan tool, select ECU View. Verify that the ABS Module is active on the bus. Is the ABS Module active on the bus? Yes Go To 4 . No Perform the «NO RESPONSE FROM ABS (ANTILOCK BRAKE MODULE)»(ref-465945-S03788654502012042300000) diagnostic procedure.
  4. ACTIVE DTCS IN THE TOTALLY INTEGRATED POWER MODULE (TIPM) With the scan tool, select ECU View and select TIPM. With the scan tool, read Active DTCs. Is the U0001-NO COMMUNICATION ON THE CAN C BUS CIRCUIT ACTIVE in the TIPM at this time? Yes Replace the ABS Module in accordance with the Service Information. Refer to «MODULE, ANTI-LOCK BRAKE SYSTEM, REMOVAL»(ref-465939-S01218171392012042300000) . Perform the ABS VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-465938-S29477186702012042300000) . No Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to «MODULE, POWERTRAIN CONTROL, REMOVAL»(ref-465939-S29940986652012042300000) , and «PCM/ECM REPROGRAMMING - GAS»(ref-466029-S11460167372012042300000) . . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. ACTIVE DTC Ignition on, engine not running. With the scan tool, select View DTCs. Is the U1417-IMPLAUSIBLE LEFT WHEEL DISTANCE SIGNAL RECEIVED Active at this time? Yes Go To 2 . No Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  2. ABS MODULE IS ACTIVE ON THE CAN C BUS With the scan tool, select ECU View. Verify that the ABS Module is active on the bus. Is the ABS Module active on the bus? Yes Go To 3 . No Perform the «NO RESPONSE FROM ABS (ANTILOCK BRAKE MODULE)»(ref-465945-S03788654502012042300000) diagnostic procedure.
  3. DTCS STORED OR ACTIVE IN THE ABS MODULE Check for DTCs in the ABS Module. Are any DTCs active or stored in the ABS Module? Yes Perform the appropriate diagnostic procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-465938-S20322314442012042300000) . No Go To 4 .
  4. ACTIVE DTCS IN THE TOTALLY INTEGRATED POWER MODULE (TIPM) With the scan tool, select ECU View and select TIPM. With the scan tool, read Active DTCs. Are any Communication DTCs active in the TIPM relating to the ABS System? Yes Replace the ABS Module in accordance with the Service Information. Refer to «MODULE, ANTI-LOCK BRAKE SYSTEM, REMOVAL»(ref-465939-S01218171392012042300000) . Perform the ABS VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-465938-S29477186702012042300000) . No Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to «MODULE, POWERTRAIN CONTROL, REMOVAL»(ref-465939-S29940986652012042300000) , and «PCM/ECM REPROGRAMMING - GAS»(ref-466029-S11460167372012042300000) . . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. ACTIVE DTC Ignition on, engine not running. With a scan tool, select View DTCs. Is the U1418-IMPLAUSIBLE RIGHT WHEEL DISTANCE SIGNAL RECEIVED Active at this time? Yes Go To 2 . No Perform the INTERMITTENTCONDITION diagnostic procedure. Refer to «INTERMITTENT CONDITION»(ref-466029-S27099658822012042300000) .
  2. ABS MODULE IS ACTIVE ON THE CAN C BUS With the scan tool, select ECU View. Verify that the ABS Module is active on the bus. Is the ABS Module active on the bus? Yes Go To 3 . No Perform the «NO RESPONSE FROM ABS (ANTILOCK BRAKE MODULE)»(ref-465945-S03788654502012042300000) diagnostic procedure.
  3. DTCS STORED OR ACTIVE IN THE ABS MODULE Check for DTCs in the ABS Module. Are any DTCs active or stored in the ABS Module? Yes Perform the appropriate diagnostic procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-465938-S20322314442012042300000) . No Go To 4 .
  4. ACTIVE DTCS IN THE TOTALLY INTEGRATED POWER MODULE (TIPM) With the scan tool, select ECU View and select TIPM. With the scan tool, read Active DTCs. Are any Communication DTCs active in the TIPM relating to the ABS System? Yes Replace the ABS Module in accordance the service information. Refer to «MODULE, ANTI-LOCK BRAKE SYSTEM, REMOVAL»(ref-465939-S01218171392012042300000) . Perform the ABS VERIFICATION TEST. Refer to «STANDARD PROCEDURE»(ref-465938-S29477186702012042300000) . No Replace and program the Powertrain Control Module (PCM) in accordance with the service information. Refer to «MODULE, POWERTRAIN CONTROL, REMOVAL»(ref-465939-S29940986652012042300000) , and «PCM/ECM REPROGRAMMING - GAS»(ref-466029-S11460167372012042300000) . . Perform the POWERTRAIN VERIFICATION TEST. Refer to «POWERTRAIN VERIFICATION TEST»(ref-466029-S26275093572012042300000) .
  1. ACTIVE DTC NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem. NOTE: Diagnose and repair any related sensor or communication DTCs in the ACC Module before continuing with this test. Start the engine and allow it to reach operating temperature. WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands near the pulleys, belts, or fan. Do not wear loose clothing. Failure to follow these instructions can result in possible serious or fatal injury. With a scan tool, select View DTCs. Is the status Active for this DTC? Yes Refer to «DIAGNOSTIC CODE INDEX»(ref-466034-S13259573082012042300000) and perform the appropriate diagnostic procedure. No Refer to «STORED LOST COMMUNICATION DTCS»(ref-465945-S35612360222012042300000) and perform the diagnostic procedure.
  1. CHECK FOR TIPM CAN BUS DTCS With the scan tool, read TIPM DTCs. Are there any TIPM CAN BUS DTCs present? Yes Perform the appropriate diagnostic procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-466034-S13259573082012042300000) . No Go To 2 .
  2. CHECK IF CCN DTCS ARE PRESENT With the scan tool, read CCN DTCs. Are there any CCN DTCs present? Yes Perform the appropriate diagnostic procedure. Refer to «DIAGNOSTIC CODE INDEX»(ref-466001-S02900477042012042300000) . Perform the NAG1 VERIFICATION TEST. Refer to «NAG1 TRANSMISSION VERIFICATION TEST»(ref-465984-S17668637522012042300000) . No Using the schematics as a guide, check the Transmission Control Module (TCM) pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace and program the TCM in accordance with the Service Information. Perform the NAG1 VERIFICATION TEST. Refer to «NAG1 TRANSMISSION VERIFICATION TEST»(ref-465984-S17668637522012042300000) .

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