Dodge Caliber. Manual — part 240
4.
CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC’S
With the scan tool, select Network View and select Advanced.
Is there more than one module with active DTC’s “Logged Against” the WCM?
Yes
>> Replace/update the Sentry Key Remote Entry Module in accordance with the service information.
Perform SKREEM VERIFICATION TEST
No
>> Replace/update the module that set this DTC in accordance with the service information.
Perform the appropriate VERIFICATION TEST.
PM
ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
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U0184-LOST COMMUNICATION WITH RADIO
For a complete wiring diagram Refer to Section 8W.
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ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
PM
•
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 Radio for approximately 2 to 5 seconds.
Possible Causes
CAN B BUS CIRCUITS OPEN OR SHORTED
DTC’S RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
RADIO POWER AND GROUND
RADIO
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
>> Perform the Stored Lost Communication test procedure. (Refer to 8 - ELECTRICAL/ELECTRONIC
CONTROL MODULES - DIAGNOSIS AND TESTING).
2.
CHECK FOR ANY OF THE FOLLOWING ACTIVE DTC’S
With the scan tool, read 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.
No
>> Go To 3
3.
VERIFY THAT THE RADIO IS ACTIVE ON THE BUS
Turn the ignition on.
With the scan tool, select ECU View.
Verify that the Radio is active on the bus.
Is the Radio active on the bus?
Yes
>> Go To 4
No
>> (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for No
Response diagnostic procedures.
PM
ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
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4.
CHECK FOR ADDITIONAL COMMUNICATION RELATED DTC’S
With the scan tool, select Network View and select Advanced.
Is there more than one module with active DTC’s “Logged Against” the Radio?
Yes
>> Replace/update the Radio in accordance with the service information.
Perform the BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE).
No
>> Replace/update the module that set this DTC in accordance with the service information.
Perform the appropriate VERIFICATION TEST.
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ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
PM
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