Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 358
U1108-ADDITIONAL CAN B ECU DETECTED
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
Continuously.
•
Set Condition:
The Front Control Module detects an additional CAN B module and requires a re-configuration.
Possible Causes
ADDITIONAL MODULE ADDED/REMOVED FROM THE CAN B BUS NETWORK
Diagnostic Test
1.
RECONFIGURE THE FRONT CONTROL MODULE
Turn the ignition on.
With the scan tool, select network view and press the gateway button. This will list the CAN modules on the vehicle.
Read and record the listed modules.
With the scan tool, select FCM, miscellaneous functions then add/remove ECUs.
With the scan tool, add or remove the module that was not configured in the FCM.
With the scan tool, erase DTC’s.
Cycle the ignition from on to off 3 times and read the active FCM DTC’s.
Does the scan tool display this DTC as active?
Yes
>> Retest system and attempt to reconfigure the FCM.
Perform BODY VERIFICATION TEST – VER 1. (Refer to BODY VERIFICATION TEST – VER 1).
No
>> Repair is complete.
Perform BODY VERIFICATION TEST – VER 1. (Refer to BODY VERIFICATION TEST – VER 1).
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U110A-LOST COMMUNICATION WITH SCCM - CAN C
For a complete wiring diagram Refer to Section 8W.
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ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
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•
When Monitored:
•
With the ignition on
•
Battery voltage between 10 and 16 volts
•
IOD fuse installed
•
FCM is configured correctly
•
Set Condition:
Bus messages not received from the SCM (CAN C) for approximately 200ms.
Possible Causes
CAN B BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
FCM NOT CONFIGURED CORRECTLY
STEERING CONTROL MODULE
STEERING CONTROL MODULE POWER AND GROUND
MODULE THAT SET THIS DTC
Diagnostic Test
1.
VERIFY DTC IS ACTIVE
NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.
With the scan tool, read active DTCs.
Is this DTC active?
Yes
>> Go To 2
No
>> Refer to the Stored Lost Communication test procedure. Refer to the table of contents in this section.
Perform BODY VERIFICATION TEST – VER 1. (Refer to BODY VERIFICATION TEST – VER 1).
2.
CHECK FOR ANY OF THE FOLLOWING ACTIVE DTCS
With the scan tool, read active DTCs from all modules.
NOTE: Check for FCM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or igni-
tion related DTCs.
Does the scan tool display any active DTCs to the conditions listed above?
Yes
>> Diagnose and repair the DTC. Refer to the Table of Contents for a complete list of the symptoms.
Perform BODY VERIFICATION TEST – VER 1. (Refer to BODY VERIFICATION TEST – VER 1).
No
>> Go To 3
3.
VERIFY THAT THE SCM IS ACTIVE ON THE BUS
Turn the ignition on.
With the scan tool, select ECU View.
Verify that the SCM is active on the bus.
Is the SCM active on the bus?
Yes
>> Go To 4
No
>> Refer to the Table of Contents located in this section for a no response test procedure.
Perform BODY VERIFICATION TEST – VER 1. (Refer to BODY VERIFICATION TEST – VER 1).
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4.
CHECK FOR ADDITIONAL COMMUNICATION RELATED DTCS
With the scan tool, select Network View and select Advanced.
Is there more than one module with active DTCs “Logged Against” the SCM?
Yes
>> Replace/update the Steering Control Module in accordance with the service information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to BODY VERIFICATION TEST – VER 1).
No
>> Replace/update the module that set this DTC in accordance with the service information.
Perform BODY VERIFICATION TEST – VER 1. (Refer to BODY VERIFICATION TEST – VER 1).
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