Chrysler Voyager. Manual — part 226

TEST

ACTION

APPLICABILITY

1

NOTE: For this code to be active, the DRB will not be able to communicate
with any modules on the vehicle (except the PCM/ECM).
NOTE: Clear the code. If this code continues to set and the DRB can still
communicate with the module, it will be necessary to replace the module.
WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, wiggle the wiring
harnesses. This is to try and duplicate the complete bus failure condition.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?

All

Yes

→ Repair as necessary

Perform BODY VERIFICATION TEST - VER 1.

No

→ Test Complete.

331

COMMUNICATION

BCM, PCI BUS SHORTED TO BATTERY —

Continued

Symptom:

COUNTRY CODE NOT PROGRAMMED

POSSIBLE CAUSES

SELECT CORRECT COUNTRY CODE

TEST

ACTION

APPLICABILITY

1

With the DRB, enter Body Computer, Miscellaneous then Change Country Code.
Select the correct country code for the vehicle.
With the DRB, erase BCM DTC’s.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRB, read BCM DTC’s.
Did this DTC reset?

All

Yes

→ Replace the Body Control Module in accordance with the service

information.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Test Complete.

332

COMMUNICATION

Symptom:

FCM MESSAGES NOT RECEIVED

When Monitored and Set Condition:

FCM MESSAGES NOT RECEIVED

When Monitored:

With the ignition in run, and the IOD fuse installed.

Set Condition:

The BCM does not receive any messages from the Front Control Module

(FCM) for at least 5 seconds.

POSSIBLE CAUSES

ATTEMPT TO COMMUNICATE WITH THE FRONT CONTROL MODULE

BODY CONTROL MODULE

TEST

ACTION

APPLICABILITY

1

Turn the ignition on.
With the DRB, attempt to communicate with the FCM.
Was the DRB able to I/D or communicate with the FCM?

All

Yes

→ Go To 2

No

→ Refer to the Communication category for the related symptom(s).

Perform BODY VERIFICATION TEST - VER 1.

2

With the DRB, erase DTC’s.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRB, read DTC’s.
Did this DTC reset?

All

Yes

→ Replace the Body Control Module in accordance with the service

information.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Test Complete.

333

COMMUNICATION

Symptom:

FCM, BCM COMMUNICATION FAULT

When Monitored and Set Condition:

FCM, BCM COMMUNICATION FAULT

When Monitored:

With the ignition in run, and the IOD fuse installed.

Set Condition:

The FCM does not receive any messages from the Body Control Module

(BCM) for at least 5 seconds.

POSSIBLE CAUSES

ATTEMPT TO COMMUNICATE WITH THE BCM

FRONT CONTROL MODULE

TEST

ACTION

APPLICABILITY

1

Turn the ignition on.
With the DRB, attempt to communicate with the BCM.
Was the DRB able to I/D or communicate with the BCM?

All

Yes

→ Go To 2

No

→ Refer to the Communication category for the related symptom(s).

Perform BODY VERIFICATION TEST - VER 1.

2

With the DRB, erase DTC’s.
Cycle the ignition switch from off to on and wait approximately 1 minute.
With the DRB, read DTC’s.
Did this DTC reset?

All

Yes

→ Replace the Front Control Module in accordance with the service

information.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Test Complete.

334

COMMUNICATION