Antilock Braking System (ABS)

Fig. 369 Code 55: EBCM Fault:

EBCM Malfunction:

Circuit Description:
This DTC identifies a malfunction within the EBCM. It also ensures the cause of the malfunction is not a result of a malfunction with the electronic brake control relay.

DTC Will Set When:
DTC 55 is set when an internal EBCM malfunction exists.

Action Taken:
A malfunction DTC is stored, ABS is disabled and the "ABS" warning lamp is turned "ON."

DTC Chart Test Description:
Number(s) below refer to circled number(s) on the diagnostic chart.
1. Checks to see if there are any other malfunctions present.
2. This checks to see if the malfunction is still present.

Diagnostic Aids:
An "intermittent" malfunction is most likely caused by a poor connection, rubbed through wire insulation, or a wire that is broken inside the insulation.

The frequency of the malfunction can be checked by using the enhanced diagnostic function of the Tech 1.

Any circuitry, that is suspected as causing the intermittent complaint, should be thoroughly checked for backed out terminals, improper mating, broken locks, improperly formed or damaged terminals, poor terminal to wiring connections or physical damage to the wiring harness.