Steering System - Electrical Diagnostics: Diagnosis Dodge Charger V

DIAGNOSTIC CODE INDEX

DIAGNOSTIC CODE INDEX

Scheme 1

Diagnostic Test

1. 1) RELATED DTC(S) PRESENT IN THE PCM Ignition on, engine not running. With the scan tool, select View DTCs in the Powertrain Control Module. Are there any charging system or related battery voltage DTCs present in the PCM? Yes Refer to the appropriate ENGINE - ELECTRICAL DIAGNOSTICS article. No Go to 2) .
2. 2) DTC IS ACTIVE Start the engine. Allow the engine to idle for 2 minutes. With the scan tool, select View DTCs in the Steering Control Module. Is the DTC status Active at this time? Yes Go to 3) . No Go to 5) .
3. 3) (A913) FUSED B(+) CIRCUIT HIGH RESISTANCE Turn the ignition off. Remove the Steering Control Module in accordance with the Service Information. Start the engine. Allow the engine to idle. Using a 12-volt test light connected to ground, check the (A913) Fused B(+) circuit in the Steering Control Module harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Go to 4) . No Repair the (A913) Fused B(+) circuit.
4. 4) (Z910) GROUND CIRCUIT HIGH RESISTANCE Using a 12-volt test light connected to 12-volts, check the (Z910) Ground circuit in the Steering Control Module harness connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Replace the Steering Control Module (SCM) in accordance with the Service Information. No Repair the (Z910) Ground circuit.
5. 5) INTERMITTENT BATTERY VOLTAGE HIGH DTC The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. No Test complete.

1. 1) DTC IS ACTIVE NOTE: If P0562-BATTERY VOLTAGE LOW or P0563-BATTERY VOLTAGE HIGH is set along with this DTC, diagnose the battery voltage DTC first. Ignition on, engine not running. With the Scan Tool, select View DTCs in the Steering Control Module. Is the DTC status Active at this time? Yes Go to 2) . No Go to 4) .
2. 2) SPEED CONTROL SWITCH Turn the ignition off. Replace the Speed Control Switch in accordance with the Service Information. Turn the ignition on. Move the Speed Control Switch to each position several times. With the Scan Tool, Clear Stored DTCs in the Steering Control Module. With the Scan Tool, select View DTCs in the Steering Control Module. Move the Speed Control Switch to each position several times while monitoring the Scan Tool. Does this DTC reset? Yes Go To 3) . No Test Complete.
3. 3) Steering Control Module (SCM) View repair. Repair Replace the Steering Control Module (SCM) in accordance with the Service Information.
4. 4) INTERMITTENT SPEED CONTROL MULTIPLEXED SWITCH 1/2 CORRELATION DTC The conditions necessary to set this DTC are not present at this time. While monitoring the scan tool data relative to this circuit, move the Speed Control Switch to each position several times. Look for the DTC to reset while the switch is being moved to each position. Were any problems found? Yes Repair as necessary. No Test complete.

Scheme 2

1. 1) DTC IS ACTIVE NOTE: If P0562-BATTERY VOLTAGE LOW or P0563-BATTERY VOLTAGE HIGH is set along with this DTC, diagnose the battery voltage DTC first. Ignition on, engine not running. With the Scan Tool, select View DTCs in the Steering Control Module. Is the DTC status Active at this time? Yes Go to 2) . No Go to 4) .
2. 2) SPEED CONTROL SWITCH Turn the ignition off. Replace the Speed Control Switch in accordance with the Service Information. Turn the ignition on. Move the Speed Control Switch to each position several times. With the Scan Tool, Clear Stored DTCs in the Steering Control Module. With the Scan Tool, select View DTCs in the Steering Control Module. Move the Speed Control Switch to each position several times while monitoring the Scan Tool. Does this DTC reset? Yes Go To 3) . No Test Complete.
3. 3) STEERING CONTROL MODULE (SCM) View repair. Repair Replace the Steering Control Module (SCM) in accordance with the Service Information.
4. 4) INTERMITTENT SPEED CONTROL SWITCH 1/2 STUCK DTC The conditions necessary to set this DTC are not present at this time. While monitoring the scan tool data relative to this circuit, move the Speed Control Switch to each position several times. Look for the DTC to reset while the switch is being moved to each position. Were any problems found? Yes Repair as necessary. No Test complete.

1. 1) DTC IS ACTIVE NOTE: If P0562-BATTERY VOLTAGE LOW or P0563-BATTERY VOLTAGE HIGH is set along with this DTC, diagnose the battery voltage DTC first. Ignition on, engine not running. Turn the steering wheel from stop to stop at least three times. With the Scan Tool, select View DTCs in the Steering Control Module. Is the DTC status Active at this time? Yes Go to 2) . No Go to 5) .
2. 2) STEERING ANGLE SENSOR TONE WHEEL Turn the ignition off. Remove the steering wheel in accordance with the Service Information. Inspect the clockspring for loose mounting screws or damage. Remove the clockspring in accordance with the Service Information. Inspect the Steering Angle Sensor and Tone Wheel for damage, loose or missing mounting screws, etc. Were any problems found? Yes Repair or replace Sensor and/or Tone Wheel as necessary. No Go To 3) .
3. 3) STEERING ANGLE SENSOR Replace the Steering Angle Sensor in accordance with the Service Information. Ignition on, engine not running. Turn the steering wheel from stop to stop at least three times. With the Scan Tool, Clear Stored DTCs in the Steering Control Module. Turn the steering wheel from stop to stop at least three times. With the Scan Tool, select View DTCs in the Steering Control Module. Is the DTC status Active at this time? Yes Go To 4) . No Test Complete.
4. 4) STEERING CONTROL MODULE (SCM) View repair. Repair Replace the Steering Control Module (SCM) in accordance with the Service Information.
5. 5) INTERMITTENT STEERING ANGLE SENSOR ERRATIC PERFORMANCE DTC The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. No Test complete.

Scheme 3

1. 1) DTC IS ACTIVE NOTE: If U1109-LOST COMMUNICATION WITH LIN STEERING WHEEL CONTROLS is set along with this DTC, diagnose the communication DTC first. NOTE: If P0562-BATTERY VOLTAGE LOW or P0563-BATTERY VOLTAGE HIGH is set along with this DTC, diagnose the battery voltage DTC first. Ignition on, engine not running. With the Scan Tool, select View DTCs in the Steering Control Module. Is the DTC status Active at this time? Yes Go to step 2) . No Go to step 4) .
2. 2) RIGHT STEERING SWITCH Turn the ignition off. Replace the Right Steering Switch in accordance with the Service Information. Turn the ignition on. Press and release the Menu Switch several times. With the Scan Tool, Clear Stored DTCs in the Steering Control Module. With the Scan Tool, select Data Display and view the Menu switch data. While monitoring the Menu switch data, press and release the Menu Switch several times. Does the Menu switch data change from Set to Not Set when the switch is pressed and released? Yes Test complete. No Go to step 3) .
3. 3) STEERING CONTROL MODULE (SCM) View repair. Repair Replace the Steering Control Module (SCM) in accordance with the Service Information.
4. 4) INTERMITTENT STEERING WHEEL CONTROL MENU SWITCH CIRCUIT DTC The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. No Test complete.

1. 1) DTC STATUS IS ACTIVE NOTE: If U1109-LOST COMMUNICATION WITH LIN STEERING WHEEL CONTROLS is set along with this DTC, diagnose the communication DTC first. NOTE: If P0562-BATTERY VOLTAGE LOW or P0563-BATTERY VOLTAGE HIGH is set along with this DTC, diagnose the battery voltage DTC first. Ignition on, engine not running. With the Scan Tool, select View DTCs in the Steering Control Module. Is the DTC status Active at this time? Yes Go to step 2) . No Go to step 7) .
2. 2) (G206) EVIC MUX SIGNAL 1 CIRCUIT SHORT TO (G907) EVIC/NAV MUX RETURN CIRCUIT Turn the ignition off. Remove the Driver Airbag in accordance with the Service Information. Disconnect the Left Steering Switch harness connector. Disconnect the Right Steering Switch harness connector. NOTE: Before proceeding, thoroughly inspect the wiring harness and connectors between the Left Steering Switch and the Right Steering Switch for a short to ground or any other circuit. Measure the resistance between the (G206) EVIC Mux Signal 1 circuit and the (G907) EVIC/NAV Mux Return circuit. Is the resistance below 5.0 ohms? Yes Repair the (G206) EVIC Mux Signal 1 circuit for a short to the (G907) EVIC/NAV Mux Return circuit. No Go to step 3) .
3. 3) (G206) EVIC MUX SIGNAL 1 CIRCUIT SHORT TO GROUND NOTE: Before proceeding, thoroughly inspect the wiring harness and connectors between the Left Steering Switch and the Right Steering Switch for a short to ground or any other circuit. Measure the resistance between the (G206) EVIC Mux Signal 1 circuit and ground. Is the resistance below 5.0 ohms? Yes Repair the (G206) EVIC Mux Signal 1 circuit for a short to ground. No Go to step 4) .
4. 4) LEFT STEERING SWITCH Reconnect the Left Steering Switch harness connector. Measure the resistance between the (G206) EVIC Mux Signal 1 circuit and the (G907) EVIC/NAV Mux Return circuit at the Right Steering Switch harness connector. Is the resistance approximately.5 ohms (+/- 1 ohm)? Yes Replace the Left Steering Switch in accordance with the Service Information. No Go to step 5) .
5. 5) RIGHT STEERING SWITCH Replace the Right Steering Switch in accordance with the Service Information. Reconnect the C206 (LIN Bus) connector. Turn the ignition on. Press and release the Side Switch several times. With the scan tool, Clear Stored DTCs in the Steering Control Module. With the scan tool, select Data Display and view the Side switch data. While monitoring the Side switch data, press and release the Side Switch several times. Does the Side switch data change from Set to Not Set as the switch is pressed and released? Yes Test complete. No Go to step 6) .
6. 6) STEERING CONTROL MODULE (SCM) View repair. Repair Replace the Steering Control Module (SCM) in accordance with the Service Information.
7. 7) INTERMITTENT STEERING WHEEL CONTROL SIDE SWITCH CIRCUIT DTC The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. No Test complete.

1. 1) DTC IS ACTIVE NOTE: If U1109-LOST COMMUNICATION WITH LIN STEERING WHEEL CONTROLS is set along with this DTC, diagnose the communication DTC first. NOTE: If P0562-BATTERY VOLTAGE LOW or P0563-BATTERY VOLTAGE HIGH is set along with this DTC, diagnose the battery voltage DTC first. Ignition on, engine not running. With the Scan Tool, select View DTCs in the Steering Control Module. Is the DTC status Active at this time? Yes Go to step 2) . No Go to step 4) .
2. 2) RIGHT STEERING SWITCH Turn the ignition off. Replace the Right Steering Switch in accordance with the Service Information. Turn the ignition on. Press and release the Plus (+) Switch several times. With the Scan Tool, Clear Stored DTCs in the Steering Control Module. With the Scan Tool, select Data Display and view the Plus (+) switch data. While monitoring the Plus (+) switch data, press and release the Plus (+) Switch several times. Does the Plus (+) switch data change from Set to Not Set when the switch is pressed and released? Yes Test complete. No Go to step 3) .
3. 3) STEERING CONTROL MODULE (SCM) View repair. Repair Replace the Steering Control Module (SCM) in accordance with the Service Information.
4. 4) INTERMITTENT STEERING WHEEL CONTROL [+] SWITCH CIRCUIT DTC The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. No Test complete.

1. 1) DTC IS ACTIVE NOTE: If U1109-LOST COMMUNICATION WITH LIN STEERING WHEEL CONTROLS is set along with this DTC, diagnose the communication DTC first. NOTE: If P0562-BATTERY VOLTAGE LOW or P0563-BATTERY VOLTAGE HIGH is set along with this DTC, diagnose the battery voltage DTC first. Ignition on, engine not running. With the Scan Tool, select View DTCs in the Steering Control Module. Is the DTC status Active at this time? Yes Go to step 2) . No Go to step 4) .
2. 2) RIGHT STEERING SWITCH Turn the ignition off. Replace the Right Steering Switch in accordance with the Service Information. Turn the ignition on. Press and release the Minus (-) Switch several times. With the Scan Tool, Clear Stored DTCs in the Steering Control Module. With the Scan Tool, select Data Display and view the Minus (-) switch data. While monitoring the Minus (-) switch data, press and release the Minus (-) Switch several times. Does the Minus (-) switch data change from Set to Not Set when the switch is pressed and released? Yes Test complete. No Go to step 3) .
3. 3) STEERING CONTROL MODULE (SCM) View repair. Repair Replace the Steering Control Module (SCM) in accordance with the Service Information.
4. 4) INTERMITTENT STEERING WHEEL CONTROL [-] SWITCH CIRCUIT DTC The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. No Test complete.

1. 1) DTC IS ACTIVE NOTE: If U1109-LOST COMMUNICATION WITH LIN STEERING WHEEL CONTROLS is set along with this DTC, diagnose the communication DTC first. NOTE: If P0562-BATTERY VOLTAGE LOW or P0563-BATTERY VOLTAGE HIGH is set along with this DTC, diagnose the battery voltage DTC first. Ignition on, engine not running. With the Scan Tool, select View DTCs in the Steering Control Module. Is the DTC status Active at this time? Yes Go to step 2) . No Go to step 4) .
2. 2) RIGHT STEERING SWITCH Turn the ignition off. Replace the Right Steering Switch in accordance with the Service Information. Turn the ignition on. With the Scan Tool, Clear Stored DTCs in the Steering Control Module. With the Scan Tool, select Data Display and view the Compass/Temperature switch data. While monitoring the Compass/Temperature switch data, press and release the Compass/Temperature Switch several times. Does the Compass/Temperature switch data change from Set to Not Set when the switch is pressed and released? Yes Test complete. No Go to step 3) .
3. 3) STEERING CONTROL MODULE (SCM) View repair. Repair Replace the Steering Control Module (SCM) in accordance with the Service Information.
4. 4) INTERMITTENT STEERING WHEEL CONTROL C/T SWITCH CIRCUIT DTC The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. No Test complete.

Scheme 4

1. 1) DTC IS ACTIVE NOTE: If P0562-BATTERY VOLTAGE LOW or P0563-BATTERY VOLTAGE HIGH is set along with this DTC, diagnose the battery voltage DTC first. Ignition on, engine not running. With the Scan Tool, select View DTCs in the Steering Control Module. Is the DTC status Active at this time? Yes Go to 2) . No Go to 4) .
2. 2) STEERING COLUMN TILT/TELESCOPE SWITCH Turn the ignition off. Replace the Steering Column Tilt/Telescope Switch in accordance with the Service Information. Turn the ignition on. Move the Steering column tilt switch to the up and down positions several times. With the Scan Tool, Clear Stored DTCs in the Steering Control Module. With the Scan Tool, select Data Display and view the Steering column up and the Steering column down switch data. While monitoring the Steering column up and the Steering column down switch data, move the Steering column tilt switch to the up and down positions several times. Does the Steering column switch data change from Set to Not Set as the switch is moved to each position? Yes Test complete. No Go to 3) .
3. 3) STEERING CONTROL MODULE (SCM) View repair. Repair Replace the Steering Control Module (SCM) in accordance with the Service Information.
4. 4) INTERMITTENT STEERING COLUMN TILT SWITCH CIRCUIT STUCK DTC The conditions necessary to set this DTC are not present at this time. While monitoring the scan tool data relative to this circuit, wiggle test the component and connectors and move the switch to each position. Look for the data to change other than as expected or for the DTC to reset during the test. Were any problems found? Yes Repair as necessary. No Test complete.

1. 1) DTC IS ACTIVE NOTE: If P0562-BATTERY VOLTAGE LOW or P0563-BATTERY VOLTAGE HIGH is set along with this DTC, diagnose the battery voltage DTC first. Ignition on, engine not running. With the Scan Tool, select View DTCs in the Steering Control Module. Is the DTC status Active at this time? Yes Go to 2) . No Go to 4) .
2. 2) STEERING COLUMN TILT/TELESCOPE SWITCH Turn the ignition off. Replace the Steering Column Tilt/Telescope Switch in accordance with the Service Information. Turn the ignition on. Move the Steering column telescope switch forward and back several times. With the Scan Tool, Clear Stored DTCs in the Steering Control Module. With the Scan Tool, select Data Display and view the Steering column forward and Steering column back switch data. While monitoring the Steering column forward and Steering column back switch data, move the Steering column telescope switch forward and back several times. Does the Steering column switch data change from Set to Not Set as the switch is moved to each position? Yes Test complete. No Go to 3) .
3. 3) STEERING CONTROL MODULE View repair. Repair Replace the Steering Control Module (SCM) in accordance with the Service Information.
4. 4) INTERMITTENT STEERING COLUMN TELESCOPE SWITCH CIRCUIT STUCK DTC The conditions necessary to set this DTC are not present at this time. While monitoring the scan tool data relative to this circuit, wiggle test the component and connectors and move the switch to each position. Look for the data to change other than as expected or for the DTC to reset during the test. Were any problems found? Yes Repair as necessary. No Test complete.

1. 1) STEERING CONTROL MODULE (SCM) The Steering Control Module (SCM) is reporting internal errors. View repair. Repair Replace the Steering Control Module (SCM) in accordance with the Service Information.

Scheme 5

1. 1) DTC IS ACTIVE Ignition on, engine not running. With the scan tool, select Clear Stored DTCs in the Steering Control Module. Cycle the ignition from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per cycle. With the Scan Tool, select View DTCs in the Steering Control Module. Does the DTC reset and/or remain active? Yes Go to 2) . No Go to 6) .
2. 2) CAN C BUS DTCs SET IN FRONT CONTROL MODULE With the Scan Tool, select View DTCs in the Front Control Module (FCM). Are there any active CAN C Bus DTCs? Yes Refer to «DIAGNOSIS AND TESTING»(ref-255952-S37788235782007060500000) for diagnostic procedures and for further possible causes. No Go to 3) .
3. 3) (D65) CAN C BUS (+) CIRCUIT OPEN Turn the ignition off. Disconnect the Steering Control Module harness connector. Disconnect the Front Control Module C1 harness connector. Measure the resistance of the (D65) CAN C Bus (+) circuit between the Steering Control Module harness connector and the Front Control Module C1 harness connector. Is the resistance above 2.0 ohms? Yes Repair the (D65) CAN C Bus (+) circuit for an open. No Go to 4) .
4. 4) (D64) CAN C BUS (-) CIRCUIT OPEN Measure the resistance of the (D64) CAN C Bus (-) circuit between the Steering Control Module harness connector and the Front Control Module C1 harness connector. Is the resistance above 2.0 ohms? Yes Repair the (D64) CAN C Bus (-) circuit for an open. No Go to 5) .
5. 5) STEERING CONTROL MODULE (SCM) Inspect the wiring between the Steering Control Module harness connector and the Front Control Module harness connector. If any problems are found, repair as necessary. If no problems are found, view repair. Repair Replace the Steering Control Module (SCM) in accordance with the Service Information.
6. 6) INTERMITTENT CAN C BUS OFF PERFORMANCE DTC The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. No Test complete.

1. 1) DTC IS ACTIVE Ignition on, engine not running. With the scan tool, select Clear Stored DTCs in the Steering Control Module. Cycle the ignition from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per cycle. With the Scan Tool, select View DTCs in the Steering Control Module. Does the DTC reset and/or remain active? Yes Go to 2) . No Go to 6) .
2. 2) CAN B BUS DTCs SET IN FRONT CONTROL MODULE With the Scan Tool, select View DTCs in the Front Control Module (FCM). Are there any active CAN B Bus DTCs? Yes Refer to «DIAGNOSIS AND TESTING»(ref-255952-S37788235782007060500000) for diagnostic procedures and for further possible causes. No Go to 3) .
3. 3) (D55) CAN B BUS (+) CIRCUIT OPEN Turn the ignition off. Disconnect the Steering Control Module harness connector. Disconnect the Front Control Module C1 harness connector. Measure the resistance of the (D55) CAN B Bus (+) circuit between the Steering Control Module harness connector and the Front Control Module C1 harness connector. Is the resistance above 2.0 ohms? Yes Repair the (D55) CAN B Bus (+) circuit for an open. No Go to 4) .
4. 4) (D54) CAN B BUS (-) CIRCUIT OPEN Measure the resistance of the (D54) CAN B Bus (-) circuit between the Steering Control Module harness connector and the Front Control Module C1 harness connector. Is the resistance above 2.0 ohms? Yes Repair the (D54) CAN B Bus (-) circuit for an open. No Go to 5) .
5. 5) STEERING CONTROL MODULE (SCM) Inspect the wiring between the Steering Control Module harness connector and the Front Control Module harness connector. If any problems are found, repair as necessary. If no problems are found, view repair. Repair Replace the Steering Control Module (SCM) in accordance with the Service Information.
6. 6) INTERMITTENT CAN B BUS CIRCUIT DTC The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. No Test complete.

1. 1) LOST COMMUNICATION WITH ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE The Steering Control Module (SCM) is reporting that network communication has been lost with the ABS Control module. View repair. Repair Refer to «DIAGNOSIS AND TESTING»(ref-255952-S37788235782007060500000) for diagnostic procedures and for further possible causes.

1. 1) LOST COMMUNICATION WITH FRONT CONTROL MODULE (FCM) The Steering Control Module (SCM) is reporting that network communication has been lost with the Front Control Module (FCM). View repair. Repair Refer to «DIAGNOSIS AND TESTING»(ref-255952-S37788235782007060500000) for diagnostic procedures and for further possible causes.

1. 1) LOST COMMUNICATION WITH INSTRUMENT CLUSTER (CCN) The Steering Control Module (SCM) is reporting that network communication has been lost with the Instrument Cluster (CCN). View repair. Repair Refer to «DIAGNOSIS AND TESTING»(ref-255952-S37788235782007060500000) for diagnostic procedures and for further possible causes.

1. 1) LOST COMMUNICATION WITH STEERING COLUMN CONTROL MODULE The Memory Seat Module (MSM) is reporting that network communication has been lost with the Steering Control Module (SCM). View repair. Repair Refer to «DIAGNOSIS AND TESTING»(ref-255952-S37788235782007060500000) for diagnostic procedures and for further possible causes.

1. 1) DTC IS ACTIVE NOTE: If P0562-BATTERY VOLTAGE LOW or P0563-BATTERY VOLTAGE HIGH is set along with this DTC, diagnose the battery voltage DTC first. Ignition on, engine not running. With the Scan Tool, select View DTCs in the Steering Control Module. Is the DTC status Active at this time? Yes Go to step 2) . No Go to step 6) .
2. 2) LIN BUS WIRING AND CONNECTORS Turn the ignition off. Remove the Driver Airbag in accordance with the Service Information. NOTE: Before proceeding, thoroughly inspect the wiring harness and connectors between the Clockspring and the Right Steering Switch for a short to ground or any other circuit. Disconnect the Right Steering Switch harness connector. Disconnect the C206 harness connector. Measure the resistance of the following LIN Bus circuits: The (D500) LIN Bus circuit between the Right Steering Switch harness connector and the C206 harness connector (Steering Pad side). The (D501) LIN Bus Slave Return circuit between the Right Steering Switch harness connector and the C206 harness connector (Steering Pad side). The (D502) LIN Bus Slave Feed circuit between the Right Steering Switch harness connector and the C206 harness connector (Steering Pad side). Is the resistance above 5.0 ohms for any of the LIN Bus circuits? Yes Repair the LIN Bus circuit(s) for an open. No Go to step 3) .
3. 3) CLOCKSPRING Remove the Clockspring in accordance with the Service Information. Measure the resistance of the following LIN Bus circuits: The (D500) LIN Bus circuit between the Clockspring connector to the SCM and the C206 harness connector (Clockspring side). The (D501) LIN Bus Slave Return circuit between the Clockspring connector to the SCM and the C206 harness connector (Clockspring side). The (D502) LIN Bus Slave Feed circuit between the Clockspring connector to the SCM and the C206 harness connector (Clockspring side). Is the resistance above 5.0 ohms for any of the LIN Bus circuits? Yes Repair the LIN Bus circuit(s) for an open. No Go to step 4) .
4. 4) RIGHT STEERING SWITCH Replace the Right Steering Switch in accordance with the Service Information. Reconnect the Clockspring. Reconnect the C206 (LIN Bus) connector. Turn the ignition on. With the scan tool, select Clear Stored DTCs in the Steering Control Module. With the scan tool, select View DTCs in the Steering Control Module. Does the DTC reset? Yes Go to step 5) . No Test complete.
5. 5) STEERING CONTROL MODULE (SCM) View repair. Repair Replace the Steering Control Module (SCM) in accordance with the Service Information.
6. 6) INTERMITTENT LOST COMMUNICATION WITH LIN STEERING WHEEL CONTROLS DTC The conditions necessary to set this DTC are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors. Look for the data to change or for the DTC to reset during the wiggle test. Were any problems found? Yes Repair as necessary. No Test complete.