B1000 00

B1000 00

B1000 00: Control Module. Internal fault







Fault symptoms

Possibly interference noise or no sound on the satellite radio.

Type of diagnosis
The diagnosis occurs every time the control module wakes and when the EEPROM is programmed.

Enable criteria

Radio/CD switched on or ignition on.
Battery voltage between 9 and 16V (+/- 1V).

Fault criteria

The control module diagnosis has discovered a fault in one of the following internal circuits: EEPROM; RAM; KAM; Tuner section, CDEC or DSP.

Checking the wiring harness

Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Check switches, connectors and crimp connections for oxidation, withdrawn pins and pin clamping force.

Fault Diagnosis Procedure