DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B1200 | AIRBAG WARNING INDICATOR CIRCUIT LOW |
| B1201 | AIRBAG WARNING INDICATOR CIRCUIT HIGH |
| B1428 | REMOTE RADIO SWITCH INPUT CIRCUIT STUCK |
| B1607 | HEADLAMP SWITCH INPUT CIRCUIT LOW |
| B1608 | HEADLAMP SWITCH INPUT CIRCUIT HIGH |
| B1613 | PANEL ILLUMINATION CONTROL CIRCUIT LOW |
| B1615 | PANEL ILLUMINATION CONTROL CIRCUIT OPEN |
| B161B | COURTESY/DOME LAMP OUTPUT CIRCUIT SHORT TO GROUND |
| B1623 | GLOVEBOX/MAP LAMP OUTPUT CIRCUIT SHORT TO GROUND |
| B1627 | CARGO LAMP OUTPUT CIRCUIT SHORT TO GROUND |
| B1629 | CARGO LAMP OUTPUT CIRCUIT OPEN |
| B1801 | DRIVER DOOR LOCK/UNLOCK SWITCH INPUT CIRCUIT LOW |
| B1803 | DRIVER DOOR LOCK/UNLOCK SWITCH INPUT STUCK LOCK |
| B1804 | DRIVER DOOR LOCK/UNLOCK SWITCH INPUT STUCK UNLOCK |
| B1806 | PASSENGER DOOR LOCK/UNLOCK SWITCH INPUT CIRCUIT LOW |
| B1808 | PASSENGER DOOR LOCK/UNLOCK SWITCH INPUT STUCK LOCK |
| B1809 | PASSENGER DOOR LOCK/UNLOCK SWITCH INPUT STUCK LOCK |
| B2213 | CABIN COMPARTMENT NODE/CLUSTER INTERNAL |
| B222C | VEHICLE CONFIGURATION NOT PROGRAMMED |
| B2339 | HORN SWITCH STUCK |
| C1401 | TRANSFER CASE RANGE SELECT SWITCH CIRCUIT LOW |
| C1402 | TRANSFER CASE RANGE SELECT SWITCH CIRCUIT HIGH |
| C230A | NEUTRAL INDICATOR CONTROL CIRCUIT LOW |
| C230B | NEUTRAL INDICATOR CONTROL CIRCUIT HIGH |
| P0930 | BTSI CONTROL CIRCUIT LOW |
| P0931 | BTSI CONTROL CIRCUIT HIGH |
| U0019 | CAN B BUS |
| U0141 | LOST COMMUNICATION WITH FRONT CONTROL MODULE |
| U0151 | LOST COMMUNICATION WITH OCCUPANT RESTRAINT CONTROLLER |
| U0156 | LOST COMMUNICATION WITH EOM |
| U0168 | LOST COMMUNICATION WITH VEHICLE SECURITY CONTROL MODULE (SKREEM/WCM) |
| U0184 | LOST COMMUNICATION WITH RADIO |
DIAGNOSTIC CODE INDEX
Diagnostic Test
- CHECK THE INSTRUMENT CLUSTER FOR DTC B1200-AIRBAG WARNING INDICATOR CIRCUIT LOW NOTE: The Instrument Cluster performs internal tests on the Airbag Lamp during each ignition cycle. With the scan tool, erase DTCs. Turn the ignition off, wait 10 seconds, then turn the ignition on. Wait for the Instrument Cluster to perform the bulb check. With the scan tool, read DTCs. Did the DTC B1200-AIRBAG WARNING INDICATOR CIRCUIT LOW reset? Yes Replace and program the Instrument Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) No Test complete.
- CHECK THE INSTRUMENT CLUSTER FOR DTC B1201-AIRBAG WARNING INDICATOR CIRCUIT HIGH NOTE: The Instrument Cluster performs internal tests on the Airbag Lamp during each ignition cycle. With the scan tool, erase DTCs. Turn the ignition off, wait 10 seconds, then turn the ignition on. Wait for the Instrument Cluster to perform the bulb check. With the scan tool, read DTCs. Did the DTC B1201-AIRBAG WARNING INDICATOR CIRCUIT HIGH reset? Yes Replace and program the Instrument Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) No Test complete.
Scheme 213
- INTERMITTENT CONDITION turn the ignition on. With the Scan Tool, clear all CCN DTCs. Turn the Cargo Lamps on. With the Scan Tool, read the DTC information. Does the Scan Tool read: B1629-CARGO LAMP OUTPUT CIRCUIT OPEN? Yes Go To 2 No The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000)
- HEADLAMP SWITCH Disconnect the Headlamp Switch connector. Turn the ignition on. Using the Scan Tool, measure the Headlamp Switch voltage. Does the Scan Tool display Headlamp Switch 5.0 volts? Yes Go to step 3 No Replace the Headlamp Switch in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000)
- INSTRUMENT CLUSTER Turn the ignition off. Disconnect the Headlamp Switch connector. Disconnect the Instrument Cluster C3 connector. Measure the resistance of the of the (M22) Cargo Lamp Output circuit. Is the resistance above 5.0 ohms? Yes Repair the (M22) Cargo Lamp Output circuit. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) No Replace the Instrument Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000)
Scheme 214
- TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, erase all DTCs. Operate the Driver Door Lock Switch in the lock and unlock position several times. Cycle the ignition from on to off. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display B1803-DRIVER DOOR LOCK/UNLOCK SWITCH INPUT STUCK LOCK? Yes Go to step 2 No The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) .
- DOOR LOCK SWITCH SHORTED Disconnect the Driver Window/Door Lock Switch connector. With the scan tool in sensors, read the DRIVER DOOR LOCK SWITCH voltage. Is the voltage approximately 5.0 volts? Yes Replace the Driver Window/Door Lock Switch. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) . No Go to step 3
- (G161) DRIVER DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND Turn the ignition off. Disconnect the Cluster C2 connector. Measure the resistance between ground and the (G161) Driver Door Lock Switch Mux circuit. Is the resistance below 10,000 Ohms? Yes Repair the (G161) Driver Door Lock Switch Mux circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) . No Replace the Instrument Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) .
- TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, erase all DTCs. Operate the Driver Door Lock Switch in the lock and unlock position several times. Cycle the ignition from on to off. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display B1804-DRIVER DOOR LOCK/UNLOCK SWITCH INPUT STUCK UNLOCK? Yes Go to step 2 No The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) .
- DOOR LOCK SWITCH SHORTED Disconnect the Driver Window/Door Lock Switch connector. With the scan tool in sensors, read the DRIVER DOOR LOCK SWITCH voltage. Is the voltage approximately 5.0 volts? Yes Replace the Driver Window/Door Lock Switch. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) . No Go to step 3
- (G161) DRIVER DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND Turn the ignition off. Disconnect the Cluster C2 connector. Measure the resistance between ground and the (G161) Driver Door Lock Switch Mux circuit. Is the resistance below 10,000 Ohms? Yes Repair the (G161) Driver Door Lock Switch Mux circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) . No Replace the Instrument Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) .
Scheme 215
- TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, erase all DTCs. Operate the Driver Door Lock Switch in the lock and unlock position several times. Cycle the ignition from on to off. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display B1808-PASSENGER DOOR LOCK/UNLOCK SWITCH INPUT STUCK LOCK? Yes Go to step 2 No The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) .
- DOOR LOCK SWITCH SHORTED Disconnect the Passenger Window/Door Lock Switch connector. With the scan tool in sensors, read the PASSENGER DOOR LOCK SWITCH voltage. Is the voltage approximately 5.0 volts? Yes Replace the Passenger Window/Door Lock Switch. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) . No Go to step 3
- (G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND Turn the ignition off. Disconnect the Cluster C2 connector. Measure the resistance between ground and the (G160) Passenger Door Lock Switch Mux circuit. Is the resistance below 10,000 Ohms? Yes Repair the (G160) Passenger Door Lock Switch Mux circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) . No Replace the Instrument Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) .
- TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, erase all DTCs. Operate the Driver Door Lock Switch in the lock and unlock position several times. Cycle the ignition from on to off. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display B1809-PASSENGER DOOR LOCK/UNLOCK SWITCH INPUT STUCK LOCK? Yes Go to step 2 No The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related switch, wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) .
- DOOR LOCK SWITCH SHORTED Disconnect the Passenger Window/Door Lock Switch connector. With the scan tool in sensors, read the PASSENGER DOOR LOCK SWITCH voltage. Is the voltage approximately 5.0 volts? Yes Replace the Passenger Window/Door Lock Switch. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) . No Go to step 3
- (G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND Turn the ignition off. Disconnect the Cluster C2 connector. Measure the resistance between ground and the (G160) Passenger Door Lock Switch Mux circuit. Is the resistance below 10,000 Ohms? Yes Repair the (G160) Passenger Door Lock Switch Mux circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) . No Replace the Instrument Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) .
- VERIFY INSTRUMENT CLUSTER OPERATION NOTE: When this DTC is active and the Instrument Cluster Backlighting is inoperative, the Instrument Cluster must be replaced. Is DTC: B2213-CABIN COMPARTMENT NODE/CLUSTER INTERNAL active AND the Instrument Cluster Backlighting inoperative? Yes Replace the Instrument Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) No Disregard DTC, test complete.
- TEST FOR AN INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase any Instrument Cluster DTCs. Turn the ignition off, wait 10 seconds then turn the ignition on. With the scan tool, read DTCs. Does the scan tool display: B222C-VEHICLE CONFIGURATION NOT PROGRAMMED? Yes Go To 2 No The condition that caused this code to set is not present at this time. Using the wiring diagram as a guide, inspect the wiring and connectors for an intermittent condition. Operate the system several times and recheck for active DTCs. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000)
- VERIFY COMMUNICATION WITH FRONT CONTROL MODULE With the scan tool in ECU VIEW, read active modules on the bus. Does the scan tool show the Front Control Module active on the bus? Yes Go to step 3 No Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Diagnosis and Testing»(ref-352654-S29617915202010010600000)
- CHECK FRONT CONTROL MODULE FOR ACTIVE DTCS With the scan tool, erase FCM DTCs. Turn the ignition off. Wait approximately 10 seconds. Turn the ignition on. With the scan tool, read FCM DTCs. Are any active DTCs present? Yes Refer to the «DIAGNOSTIC CODE INDEX»(ref-352654-S13784041962010010600000) for problems related to the Front Control Module. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) No Go to step 4
- CHECK CLUSTER VEHICLE INFORMATION WITH SCAN TOOL With the scan tool in Cluster ECU Identification, read the Original and Current VINs, and the Body Style of the vehicle. Does the information displayed match the vehicle? Yes Replace the Instrument Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000) No Replace the Front Control Module in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure»(ref-352654-S37713291802010010600000)
Scheme 216
- 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. With the scan tool, read active Cluster DTCs. Is this DTC active? Yes Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Diagnosis and Testing»(ref-352654-S29617915202010010600000) No Refer to «Non-DTC Diagnostics/Communication - Diagnosis and Testing»(ref-352682-S21760282022010010600000) and perform the STORED LOST COMMUNICATION DTC diagnostic procedure.
- 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. With the scan tool, read active Cluster DTCs. Is this DTC active? Yes Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Diagnosis and Testing»(ref-352654-S29617915202010010600000) No Refer to «Non-DTC Diagnostics/Communication - Diagnosis and Testing»(ref-352682-S21760282022010010600000) and perform the STORED LOST COMMUNICATION DTC diagnostic procedure.
- 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. With the scan tool, read active Cluster DTCs. Is this DTC active? Yes Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Diagnosis and Testing»(ref-352654-S29617915202010010600000) No Refer to «Non-DTC Diagnostics/Communication - Diagnosis and Testing»(ref-352682-S21760282022010010600000) and perform the STORED LOST COMMUNICATION DTC diagnostic procedure.
- 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. With the scan tool, read active Cluster DTCs. Is this DTC active? Yes Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Diagnosis and Testing»(ref-352654-S29617915202010010600000) No Refer to «Non-DTC Diagnostics/Communication - Diagnosis and Testing»(ref-352682-S21760282022010010600000) and perform the STORED LOST COMMUNICATION DTC diagnostic procedure.
- 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. With the scan tool, read active Cluster DTCs. Is this DTC active? Yes Refer to «DTC-Based Diagnostics/MODULE, Front Control (FCM) - Diagnosis and Testing»(ref-352654-S29617915202010010600000) No Refer to «Non-DTC Diagnostics/Communication - Diagnosis and Testing»(ref-352682-S21760282022010010600000) and perform the STORED LOST COMMUNICATION DTC diagnostic procedure.