Operation CHARM: Car repair manuals for everyone.

Fault Code 23



Alarm system I32; 148

Fault code 23

W lead (DME immobiliser), short circuit to B+

Diagnostic conditions
- Ignition on

Possible cause of fault
- Short circuit to voltage in the communication lead between the alarm system control module and the DME control module

Affected terminals
Plug A, pin 23

Diagnosis/troubleshooting