ABS/TCS - ABS/ESP or BAS Lamps ON/DTC C1240 Set
NUMBER: 08-044-06GROUP: Electrical
DATE: October 07, 2006
SUBJECT:
DTC C1240 - Steering Angle Sensor Over Travel Performance
OVERVIEW:
This bulletin involves the diagnosis and possible replacement of the Steering Angle Sensor.
MODELS:
2007 (DR) Ram Truck
NOTE:
This bulletin applies to vehicle equipped with the Electronic Stability Program (sales code BNB) and built prior to October 03, 2006 (MDH 1003XX).
SYMPTOM/CONDITION:
The customer may experience an illumination on the instrument cluster of the "ABS" (Anti-Lock Brake System) and/or the "ESP / BAS" (Electronic Stability Program / Brake Assist System) Warning Lights. Investigation may reveal the presence of Diagnostic Trouble Code (DTC) C1240 - Steering Angle Sensor Over Travel Performance (SAS).
DIAGNOSIS:
1. Perform the diagnostic test procedure for DTC C1240. This diagnostic procedure can be found on TechCONNECT: select the SERVICE INFO tab > 5 - BRAKES > 5 - BRAKES ELECTRICAL DIAGNOSTICS > ABS - EBC 340/445E5P AWAL > DIAGNOSIS and TESTING > C1240 - Steering Angle Sensor Over Travel Performance (SAS).
2. If the diagnostic test procedure for DTC C1240 determines that the Steering Angle Sensor is at fault, then perform the Repair Procedure.
PARTS REQUIRED:
REPAIR PROCEDURE:
NOTE:
Before starting this procedure, be certain that the front wheels are in the straight-ahead position.
1. Replace the steering column clockspring. Refer to TechCONNECT for detailed service procedures: select the SERVICE INFO tab > 8 - ELECTRICAL > RESTRAINTS > CLOCKSPRING > REMOVAL and INSTALLATION.
2. Clear offsets by initializing the ABS ECU using StarSCAN.
3. Perform the ABS VERIFICATION TEST. This test can be found in: 5 - BRAKES > 5 - BRAKES ELECTRICAL DIAGNOSTICS > ABS - EBC 3401445E5P AWAL > STANDARD PROCEDURE > ABS VERIFICATION TEST.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
FAILURE CODE:
Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.