Chrysler Voyager. Manual — part 329

Symptom:

NO BCM MESSAGES RECEIVED

POSSIBLE CAUSES

DTC PRESENT

NO RESPONSE - PCI BUS - BCM

CMTC/EVIC MODULE

TEST

ACTION

APPLICABILITY

1

With the DRBIII

t, erase DTCs.

Cycle the ignition and wait approximately 1 minute.
With the DRBIII

t, read DTCs.

Did this DTC reset?

All

Yes

→ Go To 2

No

→ The condition is not present at this time. Monitor DRBIIIt

parameters while wiggling the related wire harness. refer to any
Technical Service Bulletins (TSB) that may apply. Visually in-
spect the related wiring harness and connector terminals.
Perform BODY VERIFICATION TEST - VER 1.

2

Turn the ignition on.
With the DRBIII

t, attempt to I/D or communicate with the BCM.

Was the DRBIII

t able to communicate with the BCM?

All

Yes

→ Replace the CMTC or EVIC in accordance with the Service

Information.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Refer to the COMMUNICATION category and perform the appro-

priate symptom.
Perform BODY VERIFICATION TEST - VER 1.

743

OVERHEAD CONSOLE

Symptom:

NO FCM MESSAGES RECEIVED

POSSIBLE CAUSES

DTC PRESENT

NO RESPONSE - PCI BUS - FCM

CMTC/EVIC MODULE

TEST

ACTION

APPLICABILITY

1

With the DRBIII

t, erase DTCs.

Cycle the ignition and wait approximately 1 minute.
With the DRBIII

t, read DTCs.

Did this DTC reset?

All

Yes

→ Go To 2

No

→ The condition is not present at this time. Monitor DRBIIIt

parameters while wiggling the related wire harness. refer to any
Technical Service Bulletins (TSB) that may apply. Visually in-
spect the related wiring harness and connector terminals.
Perform BODY VERIFICATION TEST - VER 1.

2

Turn the ignition on.
With the DRBIII

t, attempt to I/D or communicate with the FCM.

Was the DRBIII

t able to communicate with the FCM?

All

Yes

→ Replace the CMTC or EVIC in accordance with the Service

Information.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Refer to the COMMUNICATION category and perform the appro-

priate symptom.
Perform BODY VERIFICATION TEST - VER 1.

744

OVERHEAD CONSOLE

Symptom:

NO PCM MESSAGES RECEIVED

POSSIBLE CAUSES

DTC PRESENT

NO RESPONSE - PCI BUS - PCM

CMTC/EVIC MODULE

TEST

ACTION

APPLICABILITY

1

With the DRBIII

t, erase DTCs.

Cycle the ignition and wait approximately 15 seconds.
With the DRBIII

t, read DTCs.

Did this DTC reset?

All

Yes

→ Go To 2

No

→ The condition is not present at this time. Monitor DRBIIIt

parameters while wiggling the related wire harness. Refer to any
Technical Service Bulletins (TSB) that may apply. Visually in-
spect the related wiring harness and connector terminals.
Perform BODY VERIFICATION TEST - VER 1.

2

Turn the ignition on.
With the DRBIII

t, enter Body Computer, System Tests, then PCM Monitor.

Does the DRBIII

t display PCM Active on the Bus?

All

Yes

→ Replace the CMTC or EVIC in accordance with the Service

Information.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Refer to the COMMUNICATION category and perform the appro-

priate symptom.
Perform BODY VERIFICATION TEST - VER 1.

745

OVERHEAD CONSOLE

Symptom:

NO TCM MESSAGES RECEIVED

POSSIBLE CAUSES

DTC PRESENT

NO RESPONSE - PCI BUS - TCM

CMTC/EVIC MODULE

TEST

ACTION

APPLICABILITY

1

With the DRBIII

t, erase DTCs.

Cycle the ignition and wait approximately 1 minute.
With the DRBIII

t, read DTCs.

Did this DTC reset?

All

Yes

→ Go To 2

No

→ The condition is not present at this time. Monitor DRBIIIt

parameters while wiggling the related wire harness. Refer to any
Technical Service Bulletins (TSB) that may apply. Visually in-
spect the related wiring harness and connector terminals.
Perform BODY VERIFICATION TEST - VER 1.

2

Turn the ignition on.
With the DRBIII

t, attempt to I/D or communicate with the TCM.

Was the DRBIII

t able to communicate with the TCM?

All

Yes

→ Replace the CMTC or EVIC in accordance with the Service

Information.
Perform BODY VERIFICATION TEST - VER 1.

No

→ Refer to the COMMUNICATION category and perform the appro-

priate symptom.
Perform BODY VERIFICATION TEST - VER 1.

746

OVERHEAD CONSOLE