PSM
Fault code 1044Control unit coded incorrectly
Diagnostic conditions
- Ignition on
- Internal function test on PSM control unit
Possible fault causes
- Control unit was replaced, but was not coded
- Control unit was not coded correctly
- Pin assignment of PSM control unit connector incorrect (following repair work on connector)
NOTE: If PSM control unit is not coded or is coded incorrectly, both ABS and brake warning lights flash with a frequency of 1.1 Hz.
Affected pins
CAUTION:
If repairs were carried out on the PSM control unit connector, check that the pin assignment is correct.
Modified bridge on the connector, as of model year 2005.
Bridge on PSM control unit connector up to and including model year 2004:
- between pins 'A9' and 'A14'
Bridge on PSM control unit connector, as of model year 2005:
- between pins 'A9' and 'A12'
Diagnosis/troubleshooting PSM 0101
