Dodge Caliber. Manual — part 559
•
When Monitored:
Continuously
•
Set Condition:
Whenever the CAN B Bus (+) or CAN B Bus (-) circuit is open, shorted to voltage or shorted to ground.
Possible Causes
CAN B BUS DTC’s IN THE TOTALLY INTEGRATED POWER MODULE
(D55) CAN B BUS (+) CIRCUIT OPEN
(D54) CAN B BUS (-) CIRCUIT OPEN
HANDS FREE 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 THE TOTALLY INTEGRATED POWER MODULE DTC’s
With the scan tool, read the Totally Integrated Power Module active DTC’s.
Does the scan tool display any CAN B BUS DTC’s – ACTIVE?
Yes
>> (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING)
No
>> Go To 3
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NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
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3.
(D55) CAN B BUS (+) CIRCUIT OPEN
Turn the ignition off.
Disconnect the negative battery cable.
Disconnect the Hands Free Module harness connector.
Disconnect the Totally Integrated Power Module harness connector.
Measure the resistance of the (D55) CAN B Bus (+) circuit between the
Totally Integrated Power Module connector and the Hands Free Module
connector.
Is the resistance below 2.0 ohms?
Yes
>> Go To 4
No
>> Repair the (D55) CAN B Bus (+) circuit for an open.
Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL MODULES
-
STANDARD PROCEDURE).
4.
(D54) CAN B BUS (–) CIRCUIT OPEN
Measure the resistance of the (D54) CAN B Bus (–) circuit between the
Totally Integrated Power Module connector and the Hands Free Module
connector.
Is the resistance below 2.0 ohms?
Yes
>> Replace the Hands Free Module in accordance with the
service information.
Perform 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 BODY VERIFICATION TEST – VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL MODULES
-
STANDARD PROCEDURE).
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NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
PM
U0141–LOST COMMUNICATION WITH FRONT CONTROL MODULE (TOTALLY
INTEGRATED POWER MODULE)
For a complete wiring diagram Refer to Section 8W.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.
U0151-LOST COMMUNICATION WITH OCCUPANT RESTRAINT CONTROLLER
For a complete wiring diagram Refer to Section 8W.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.
U0154-LOST COMMUNICATION WITH OCCUPANT CLASSIFICATION MODULE
For a complete wiring diagram Refer to Section 8W.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.
U0155-LOST COMMUNICATION WITH CLUSTER/CCN
For a complete wiring diagram Refer to Section 8W.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.
U0167-LOST COMMUNICATION WITH INTRUSION TRANSCEIVER CONTROL
MODULE
For a complete wiring diagram Refer to Section 8W.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.
U0168-LOST COMMUNICATION WITH VEHICLE SECURITY CONTROL MODULE
(SKREEM/WCM)
For a complete wiring diagram Refer to Section 8W.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.
U0184-LOST COMMUNICATION WITH RADIO
For a complete wiring diagram Refer to Section 8W.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.
U0186-LOST COMMUNICATION WITH AUDIO AMPLIFIER
For a complete wiring diagram Refer to Section 8W.
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NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
8T - 51
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.
U0195-LOST COMMUNICATION WITH SDARS
For a complete wiring diagram Refer to Section 8W.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.
U0199-LOST COMMUNICATION WITH DRIVER DOOR MODULE (LEFT WINDOW
REGULATOR MODULE)
For a complete wiring diagram Refer to Section 8W.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.
U0200-LOST COMMUNICATION WITH PASSENGER DOOR MODULE (RIGHT
WINDOW REGULATOR MODULE)
For a complete wiring diagram Refer to Section 8W.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.
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NAVIGATION/TELECOMMUNICATION - ELECTRICAL DIAGNOSTICS
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