Dodge Dakota (ND). Manual — part 85
U0002–CAN C BUS OFF PERFORMANCE (EBC125) (CONTINUED)
3.
(D65) CAN C BUS (+) CIRCUIT OPEN
Turn the ignition off.
Disconnect the Anti-lock Brake Module harness connector.
Disconnect the Front Control Module C1 harness connector.
Measure the resistance of the (D65) CAN C Bus (+) circuit between
the Anti-lock Brake Module harness connector and the Front Control
Module C1 harness connector.
Is the resistance above 2.0 ohms?
Yes
>> Repair the (D65) CAN C Bus (+) circuit for an open.
Perform the ABS Verification Test — VER 1 (Refer to 5 -
BRAKES/ELECTRICAL - DIAGNOSIS AND TESTING)
No
>> Go to 4
4.
(D64) CAN C BUS (-) CIRCUIT OPEN
Measure the resistance of the (D64) CAN C Bus (-) circuit between
the Anti-lock Brake Module harness connector and the Front Control
Module C1 harness connector.
Is the resistance above 2.0 ohms?
Yes
>> Repair the (D64) CAN C Bus (-) circuit for an open.
Perform the ABS Verification Test — VER 1 (Refer to 5 -
BRAKES/ELECTRICAL - DIAGNOSIS AND TESTING)
No
>> Go to 5
5 - 110
BRAKES - ABS ELECTRICAL DIAGNOSTICS
ND
U0002–CAN C BUS OFF PERFORMANCE (EBC125) (CONTINUED)
5.
ANTI-LOCK BRAKE MODULE
Inspect the wiring between the Anti-lock Brake Module harness connector and the Front Control Module harness
connector. If any problems are found, repair as necessary. If no problems are found, view repair.
Repair
Replace the Anti-lock Brake Module in accordance with the Service Information.
Perform the ABS Verification Test — VER 1 (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
6.
INTERMITTENT CAN C BUS OFF PERFORMANCE DTC
The conditions necessary to set this DTC are not present at this time.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors.
Look for the data to change or for the DTC to reset during the wiggle test.
Were any problems found?
Yes
>> Repair as necessary.
Perform the ABS Verification Test — VER 1 (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)
No
>> Test complete.
ND
BRAKES - ABS ELECTRICAL DIAGNOSTICS
5 - 111
U0100–LOST COMMUNICATION WITH FRONT CONTROL MODULE (EBC125)
For a complete wiring diagram Refer to Section 8W.
Diagnostic Test
1.
LOST COMMUNICATION WITH POWERTRAIN CONTROL MODULE (PCM)
The Anti-lock Brake Module is reporting that network communication has been lost with the Powertrain Control Mod-
ule (PCM).
View repair.
Repair
Refer to 8 — ELECTRICAL/ELECTRONIC CONTROL MODULES — DIAGNOSIS AND TESTING for
diagnostic procedures and for further possible causes.
5 - 112
BRAKES - ABS ELECTRICAL DIAGNOSTICS
ND
U0141–LOST COMMUNICATION WITH FRONT CONTROL MODULE (EBC125)
For a complete wiring diagram Refer to Section 8W.
Diagnostic Test
1.
LOST COMMUNICATION WITH FRONT CONTROL MODULE (FCM)
The Anti-lock Brake Module is reporting that network communication has been lost with the Front Control Module
(FCM).
View repair.
Repair
Refer to 8 — ELECTRICAL/ELECTRONIC CONTROL MODULES — DIAGNOSIS AND TESTING for
diagnostic procedures and for further possible causes.
ND
BRAKES - ABS ELECTRICAL DIAGNOSTICS
5 - 113
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