Fault Code 4802

Fault Code 4802

Undervoltage
Internal control module function test

NOTE: Once the vehicle voltage is within the permissible voltage range again, the ABS system is switched back on and the indicator lights go out.

Diagnostic conditions
- Vehicle speed > 6 km/h (3.75 mph)

Possible cause of fault
- Vehicle voltage lower than 10 V or greater than 16 V (voltage supply for control unit, rate of-turn sensor and steering-angle sensor)
- Faulty connection to ABS control unit
- ABS control unit faulty

Affected pins
Pin 1, pin 5, pin 2, pin 6 and pin 23

Diagnosis/troubleshooting

Work Instruction 1 - 5:

NOTE: Erase the fault memory before troubleshooting and perform a test drive.