Test C: C1137

C: C1137 - Control Module Internal Circuit Failure

C1: CHECK CONDITION OF FUSE

1. Check 5A fuse located in underbonnet fusebox, fuse 4.

- Is the fuse OK?
-> Yes Go to C2
-> No Replace fuse.

C2: MEASURE CONNECTOR RESISTANCE

1. Disconnect connector LF037. Measure the voltage between pins 20 and 24.

- Is the voltage approximately 12 volts?
-> Yes Replace ABS/TCS module.
-> No Go to C3

C3: INSPECT HARNESS/CONNECTORS

1. Inspect harness / connectors from ABS module to fusebox for damage / corrosion, bent / pushed back pins.

- Is damage found?
-> Yes Repair as necessary.
-> No Replace HCU.