Dodge Caliber. Manual - part 233
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When Monitored:
With the ignition on.
Battery voltage between 10 and 16 volts.
IOD fuse installed.
TIPM is configured correctly.
•
Set Condition:
Bus messages not received from the TCM for approximately 500ms.
Possible Causes
CAN B OR CAN C BUS CIRCUITS OPEN OR SHORTED
DTC’S RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
TCM
TCM 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 DTC’s.
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 the BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE).
2.
CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC’S
With the scan tool, read all active DTC’s from all modules.
NOTE: Check for TIPM configuration, CAN B or C hardware electrical, VIN Missing/Mismatch, battery or igni-
tion related DTC’s.
Does the scan tool display any active DTC’s 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 the BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE).
No
>> Go To 3
3.
VERIFY THAT THE TCM IS ACTIVE ON THE BUS
Turn the ignition on.
With the scan tool, select ECU View.
Verify that the TCM is active on the bus.
Is the TCM 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 the BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE).
PM
ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
8E - 43