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Fault Code 4802




Fault Code 4802

Undervoltage


Diagnostic conditions
- Internal control module function test
- Voltage less than 9.8 V (voltage supply for control module, rate-of-turn sensor and steering angle sensor)
- Vehicle speed is greater than 6 km/h

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

Possible cause of fault
- Vehicle voltage was too low
- Faulty connection to PSM control module

Affected terminals
PSM 5.3 Terminals 28, 29
PSM 5.7: Terminals 1, 5 and 23

Diagnosis/troubleshooting PSM 5.3


Work Instruction 1 - 2:






Diagnosis/troubleshooting PSM 5.7


Work Instruction 1 - 2: