Test M

Test M1-M2:

PINPOINT TEST M: DTC C1960-DRIVER BRAKE APPLY CIRCUIT FAULT

CAUTION: Use the Flex Probe Kit for all test connections to prevent damage to the wiring terminals. Do not use standard multimeter probes.

Normal Operation
The 12-volt driver brake apply (DBA) signal is sent from the ABS module during brake application to the trailer tow relay (if equipped).

Voltage is supplied by circuit 29S-CF2 (OG/BU).

Possible Causes
^ DBA signal circuit 29S-CF2 (OG/BU).
^ ABS module.