Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 2317

3.

CHECK (D55) CAN B BUS (+) CIRCUIT FOR AN OPEN

Turn the ignition off.

Disconnect the negative battery cable.

Disconnect the A/C Heater Control C1 harness connector.

Disconnect the Front Control Module (FCM) C1 harness connector.

Measure the resistance of the (D55) CAN B Bus (+) circuit between the
Front Control Module C1 harness connector and the A/C Heater Control
C1 harness 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/

FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING).

4.

CHECK (D54) CAN B BUS (–) CIRCUIT FOR AN OPEN

Measure the resistance of the (D54) CAN B Bus (–) circuit between the
Front Control Module C1 connector and the A/C Heater Control C1 har-
ness connector.

Is the resistance below 2.0 ohms?

Yes

>> Replace the A/C Heater Control in accordance with the Ser-

vice Information.

Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
-

ELECTRICAL/ELECTRONIC

CONTROL

MODULES/

FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING).

No

>> Repair the (D54) CAN B Bus (–) circuit for an open.

Perform BODY VERIFICATION TEST – VER 1. (Refer to 8
-

ELECTRICAL/ELECTRONIC

CONTROL

MODULES/

FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING).

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U0141–LOST COMMUNICATION WITH FRONT CONTROL MODULE (ATC)

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
If the A/C Heater Control looses communication with the Front Control Module (FCM).

(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.

U0151–LOST COMMUNICATION WITH OCCUPANT RESTRAINT CONTROLLER
(ORC) (ATC)

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
If the A/C Heater Control looses communication with the Occupant Restraint Controller (ORC).

(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.

U0154–LOST COMMUNICATION WITH OCCUPANT CLASSIFICATION MODULE
(ATC)

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
If the A/C Heater Control looses communication with the Occupant Classification Module (OCM).

(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.

U0155–LOST COMMUNICATION WITH CLUSTER/CCN (ATC)

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
If the A/C Heater Control looses communication with the Cluster (CCN).

(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.

U0156–LOST COMMUNICATION WITH EOM (ATC)

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
If the A/C Heater Control looses communication with the Compass Temperature Module (EOM).

(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.

U0159–LOST COMMUNICATION WITH PARKING ASSIST CONTROL MODULE (ATC)

For a complete wiring diagram Refer to Section 8W.

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•

When Monitored:
With the ignition on.

•

Set Condition:
If the A/C Heater Control looses communication with the Parktronics (PTS).

(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) (ATC)

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
If the A/C Heater Control looses communication with the Vehicle Security Control Module (SKREEM/WCM).

(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.

U0169–LOST COMMUNICATION WITH SUNROOF CONTROL MODULE (ATC)

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
If the A/C Heater Control looses communication with the Sunroof Control Module (SCM).

(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.

U0181–LOST COMMUNICATION WITH HEADLAMP LEVELING TRANSLATOR (ATC)

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
If the A/C Heater Control looses communication with the Headlamp Leveling Translator.

(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.

U0184–LOST COMMUNICATION WITH RADIO (ATC)

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
If the A/C Heater Control looses communication with the Radio.

(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.

U0186–LOST COMMUNICATION WITH AUDIO AMPLIFIER (ATC)

For a complete wiring diagram Refer to Section 8W.

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•

When Monitored:
With the ignition on.

•

Set Condition:
If the A/C Heater Control looses communication with the Amplifier (AMP).

(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.

U0195–LOST COMMUNICATION WITH SDARS (ATC)

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
If the A/C Heater Control looses communication with the Satellite Audio Receiver (SDARS).

(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.

U0196-LOST COMMUNICATION WITH VEHICLE ENTERTAINMENT CONTROL
MODULE (ATC)

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
If the A/C Heater Control looses communication with the Vehicle Entertainment System (VES).

(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.

U0197–LOST COMMUNICATION WITH HANDS FREE PHONE MODULE (ATC)

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
If the A/C Heater Control looses communication with the Hands Free Phone Module (HFM).

(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.

U0199–LOST COMMUNICATION WITH DRIVER DOOR MODULE (ATC)

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
With the ignition on.

•

Set Condition:
If the A/C Heater Control looses communication with the Driver Door Module (DDM).

(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic
test procedure.

U0200–LOST COMMUNICATION WITH PASSENGER DOOR MODULE (ATC)

For a complete wiring diagram Refer to Section 8W.

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