Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 1455
U0402-IMPLAUSIBLE DATA RECEIVED FROM TCM
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 Transmission Control Module (TCM).
Possible Causes
INTERMITTENT DTC
CAN BUS OPEN OR SHORTED CONDITION
TRANSMISSION CONTROL MODULE (TCM)
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 TRANSMISSION CONTROL MODULE (TCM)
With a scan tool check for DTCs in the Transmission Control Module (TCM).
Are there any CAN bus DTCs active in the Transmission Control Module (TCM) 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 - 1844
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
LX
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)
LX
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
9 - 1845
U0429-IMPLAUSIBLE DATA RECEIVED FROM SCM
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 Steering Control Module (SCM).
Possible Causes
INTERMITTENT DTC
CAN BUS OPEN OR SHORTED CONDITION
STEERING CONTROL MODULE (SCM)
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)
2.
COMMUNICATION DTCS PRESENT IN THE STEERING CONTROL MODULE (SCM)
With a scan tool check for DTCs in the Steering Control Module (SCM).
Are there any CAN bus DTCs active in the Steering Control Module (SCM) 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 - 1846
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
LX
U1004-CAN C BUS TRANSMIT PERFORMANCE
For a complete wiring diagram Refer to Section 8W
•
When Monitored:
Continuously while the system is active and there are no ECM system voltage DTCs present.
•
Set Condition:
The ECM is reporting an error condition when attempting to transmit a CAN bus message.
Possible Causes
INTERMITTENT DTC
CAN BUS ERROR CONDITION
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)
2.
COMMUNICATION DTCS PRESENT
With a scan tool check for any other communication DTCs present in other modules on the CAN C bus.
Are there any CAN C bus DTCs active at this time?
Yes
>> Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING for addi-
tional vehicle communication diagnostic procedures.
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)
LX
ENGINE ELECTRICAL DIAGNOSTICS - DIESEL
9 - 1847
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