B1171

Factory Manual References

Factory service manual diagnostic procedure for 2006 acura rl

Gauges DTCS

GAUGES DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Description
DTC B1152 Gauge Control Module Internal (EEPROM) Error
DTC B1155; B1156 Gauge Control Module Lost Communication with Combination Switch Control Unit (HLSW Message); Gauge Control Module Lost Communication with Combination Switch Control Unit (WIPSW Message)
DTC B1157; B1180 Gauge Control Module Lost Communication with MICU (MICU Message); Gauge Control Module Lost Communication with MICU (AUTOLT Message)
DTC B1158 Gauge Control Module Lost Communication with Relay Control Module (RM Message)
DTC B1161 Gauge Control Module Lost Communication with Keyless Access Control Unit (REMOTE ID Message)
DTC B1166 Gauge Control Module Lost Communication with Adaptive Front Lighting Control Unit (AFS Message)
DTC B1168; B1169; B1178 Gauge Control Module Lost Communication with PCM (ENG Message); Gauge Control Module Lost Communication with the PCM (A/T Message); F-CAN Communication Error
DTC B1170 Gauge Control Module Lost Communication with VSA Modulator-Control Unit (VSA Message)
DTC B1171 Gauge Control Module Lost Communication with Adaptive Cruise Control Unit (ACC Message)
DTC B1173 Gauge Control Module Lost Communication with TPMS Control Unit (TPMS Message)
DTC B1175 Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Open
DTC B1176 Fuel Level Sensor (Fuel Gauge Sending Unit) Circuit Short
DTC B1177 Battery Voltage Abnormal
DTC B1181; B1182 Gauge Control Module Lost Communication with Driver's MPCS Unit (DOORSW Message); Gauge Control Module Lost Communication with Driver's MPCS Unit (DRLOKSW Message)

A L L Diagnostic Trouble Codes ( DTC )

B1171

DTC B1171: Gauge Control Module Lost Communication with Adaptive Cruise Control Unit (ACC Message).

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test mode A.

1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF and then back ON (II).
3. Check for the DTCs with the HDS.

Is DTC B1171 indicated?

YES - Go to step 4.

NO - Intermittent failure. The F-CAN communication line is OK at this time. Check for loose or poor connections. If the connections are good, check the battery condition and the charging system.

4. Check for the DTCs in the PCM with the HDS.

Are any DTCs indicated?

YES - Troubleshoot the indicated PCM DTCs.

NO - Go to step 5.

5. Do the Gauge Control Module Input Test.

Are all inputs OK?

YES - Go to step 6.

NO - Repair the faulty input, then recheck the DTCs.

6. Substitute a known-good gauge control module.
7. Clear the DTCs with the HDS.
8. Turn the ignition switch OFF and then back ON (II).
9. Check for the DTCs with the HDS.

Is DTC B1171 indicated?

YES - Replace the adaptive cruise control unit.

NO - The original gauge control module is faulty; replace it.

Supporting Diagrams & Locations

Reference material from the factory manual for this diagnostic procedure.

Diagram

A/C Leak Detection (B07-025)

Location

CHRYSLER Group LLC

Location

Ford Motor Co.

Location

General Motors

Location

CHRYSLER Group LLC

Fuse/Relay

External Pages

Fuse/Relay

Electronic Throttle Control DTCS

Fuse/Relay

Gauges DTCS

Fuse/Relay

CHRYSLER Group LLC

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