Dodge Caliber. Manual — part 1030
U0121-LOST COMMUNICATION WITH ANTI-LOCK BRAKE MODULE
For a complete wiring diagram Refer to Section 8W
•
When Monitored:
Continuously while the system is active.
•
Set Condition:
The ECM doesn’t receive a Bus Message from the Anti-lock Brake Module.
Possible Causes
INTERMITTENT DTC
CAN BUS OPEN OR SHORTED CONDITION
ANTI-LOCK BRAKE MODULE
ENGINE CONTROL MODULE (ECM)
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING)
Diagnostic Test
1.
DTC IS ACTIVE
Ignition on, engine not running.
With the scan tool, Clear DTCs in the Engine Control Module (ECM).
Monitor the scan tool for at least two minutes.
Cycle the ignition key off and on several times, leaving the ignition on for at least 10 seconds at a time.
Start the engine.
Allow the engine to reach normal operating temperature.
With the scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
>> Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING for diag-
nostic procedures and for further possible causes.
No
>> Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING)
PM
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
9 - 1407
U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE (TIPM)
For a complete wiring diagram Refer to Section 8W
•
When Monitored:
Continuously while the system is active.
•
Set Condition:
The ECM doesn’t receive a Bus Message from the Totally Integrated Power Module.
Possible Causes
INTERMITTENT DTC
CAN BUS OPEN OR SHORTED CONDITION
TOTALLY INTEGRATED POWER MODULE (TIPM)
ENGINE CONTROL MODULE (ECM)
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING)
Diagnostic Test
1.
DTC IS ACTIVE
Ignition on, engine not running.
With the scan tool, Clear DTCs in the Engine Control Module (ECM).
Monitor the scan tool for at least two minutes.
Cycle the ignition key off and on several times, leaving the ignition on for at least 10 seconds at a time.
Start the engine.
Allow the engine to reach normal operating temperature.
With the scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
>> Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING for diag-
nostic procedures and for further possible causes.
No
>> Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING)
9 - 1408
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
PM
U0415-IMPLAUSIBLE DATA RECEIVED FROM ABS
For a complete wiring diagram Refer to Section 8W
•
When Monitored:
Continuously while the system is active.
•
Set Condition:
An error message has been received over the bus from the Anti-lock Brake Module.
Possible Causes
INTERMITTENT DTC
CAN BUS OPEN OR SHORTED CONDITION
ANTI-LOCK BRAKE MODULE
ENGINE CONTROL MODULE (ECM)
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING)
Diagnostic Test
1.
ACTIVE DTC
NOTE: Diagnose all CAN B and C communication DTCs before continuing.
Ignition on, engine not running.
With a scan tool, view DTCs.
Is the status Active for this DTC?
Yes
>> Go To 2
No
>> Refer to the INTERMITTENT CONDITION Diagnostic Procedure. (Refer to 9 - ENGINE - DIAGNOSIS
AND TESTING)
Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
2.
COMMUNICATION DTCS PRESENT IN THE ANTI-LOCK BRAKE MODULE
With a scan tool check for DTCs in the Anti-lock Brake Module.
Are there any CAN bus DTCs active in the Anti-lock Brake Module at this time?
Yes
>> Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING for addi-
tional vehicle communication diagnostic procedures.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
No
>> Replace and program the Engine Control Module (ECM) in accordance with the Service Information.
Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
PM
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
9 - 1409
U0431-IMPLAUSIBLE DATA RECEIVED FROM TIPM
For a complete wiring diagram Refer to Section 8W
•
When Monitored:
Continuously while the system is active.
•
Set Condition:
An error message has been received over the bus from the Totally Integrated Power Module (TIPM).
Possible Causes
INTERMITTENT DTC
CAN BUS OPEN OR SHORTED CONDITION
TOTALLY INTEGRATED POWER MODULE (TIPM)
ENGINE CONTROL MODULE (ECM)
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING)
Diagnostic Test
1.
ACTIVE DTC
NOTE: Diagnose all CAN B and C communication DTCs before continuing.
Ignition on, engine not running.
With a scan tool, view DTCs.
Is the status Active for this DTC?
Yes
>> Go To 2
No
>> Refer to the INTERMITTENT CONDITION Diagnostic Procedure. (Refer to 9 - ENGINE - DIAGNOSIS
AND TESTING)
Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
2.
COMMUNICATION DTCS PRESENT IN THE TOTALLY INTEGRATED POWER MODULE (TIPM)
With a scan tool check for DTCs in the Transmission Control Module (TIPM).
Are there any CAN bus DTCs active in the Totally Integrated Power Module (TIPM) at this time?
Yes
>> Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING for addi-
tional vehicle communication diagnostic procedures.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - STANDARD PROCEDURE)
No
>> Replace and program the Engine Control Module (ECM) in accordance with the Service Information.
Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
9 - 1410
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
PM
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