Dodge Caliber. Manual — part 243
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 HFM?
Yes
>> Replace/update the Hands Free Module 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
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U1105-CAN B SIGNAL MISSING
For a complete wiring diagram Refer to Section 8W.
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ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
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•
When Monitored:
Continuously
•
Set Condition:
When the CAN B Bus messages are not received within 2 seconds.
Possible Causes
OTHER CAN B BUS DTC’s SET IN TIPM
(D55) CAN B BUS (+) CIRCUIT OPEN
(D54) CAN B BUS (-) CIRCUIT OPEN
TOTALLY INTEGRATED POWER MODULE
Diagnostic Test
1.
CHECK FOR ACTIVE DTCS
With the scan tool, read the active DTC’s.
Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per
cycle.
With the scan tool, read the active DTC’s.
Does the scan tool display this DTC as active?
Yes
>> Go To 2
No
>> If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness con-
nectors. Look for broken, bent, pushed out, or corroded terminals.
2.
CHECK TIPM FOR U0019 DTC
With the scan tool, read TIPM active DTC’s
Does the scan tool display U0019 CAN B BUS – ACTIVE?
Yes
>> Refer to the table of contents in this section and perform the U0019 diagnostic procedure.
No
>> Go To 3
3.
(D55) CAN B BUS (+) CIRCUIT OPEN
Turn the ignition off.
Disconnect the TIPM C3 harness connector.
Turn the ignition on.
Measure the voltage of the (D55) CAN B Bus (+) circuit.
Is any voltage present on this circuit?
Yes
>> Go To 4
No
>> Repair the (D55) CAN B Bus (+) circuit for an open.
Perform the BODY VERIFICATION TEST – VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
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ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
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4.
(D54) CAN B BUS (–) CIRCUIT OPEN
Measure the voltage of the (D54) CAN B Bus (-) circuit.
Is any voltage present on this circuit?
Yes
>> Replace the TIPM in accordance with the service informa-
tion.
Perform the BODY VERIFICATION TEST – VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
No
>> Repair the (D54) CAN B Bus (–) circuit for an open.
Perform the BODY VERIFICATION TEST – VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE).
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ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS
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