Dodge Ram Truck 1500-2500-3500. Manual — part 184

MISMATCHED VIN — 84

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
Ignition on.

•

Set Condition:
This DTC will set if the current VIN does not match the broadcast VIN from the PCM within 10 seconds.

Possible Causes

ICOMMUNICATIONS DTC(S) PRESENT

POWERTRAIN CONTROL MODULE

ANTI-LOCK BRAKE MODULE

Diagnostic Test

1.

DTC IS ACTIVE

Turn the ignition on.

With the DRBIII

T

, erase DTCs.

Turn the ignition off.

Turn the ignition on.

Wait ten seconds.

With the DRBIII

T

, read DTCs.

Does the DTC reset?

Yes

>> Go To 2

No

>> Go To 3

2.

WRONG VIN PROGRAMMED IN PCM

Turn the ignition on.

With the DRBIII

T

, read the VIN in the PCM.

Compare VIN in the PCM to the vehicle VIN.

Is the correct VIN programmed in the PCM?

Yes

>> Replace the Antilock Brake Module in accordance with the Service Information.

Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)

No

>> Replace the Powertrain Control Module in accordance with the Service Information.

Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)

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BRAKES - ABS - ELECTRICAL DIAGNOSTICS

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MISMATCHED VIN — 84 (CONTINUED)

3.

COMMUNICATION DTCS PRESENT

Turn the ignition off.

With the DRBIII

T

, read DTCs in all other modules. If any communications DTCs are present, refer to the appropriate

diagnostic procedure.

Refer to any Technical Service Bulletins that may apply.

Were any problems found?

Yes

>> Repair as necessary.

Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)

No

>> Test Complete.

DR/DH

BRAKES - ABS - ELECTRICAL DIAGNOSTICS

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NUMBER OF TONE RING TEETH OUT OF RANGE - 82

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:
Ignition on.

•

Set Condition:
The DTC will set if the stored tone wheel tooth count is out of range.

Possible Causes

TONE RING/AXLE SIZE MISMATCH

ANTI-LOCK BRAKE MODULE

Diagnostic Test

1.

TONE RING/AXLE SIZE MISMATCH

Turn the ignition on.

With the DRBIII

T

, determine the axle size that is programmed into the Controller Anti-lock Brake.

Inspect and identify the vehicle axle size.

Compare the axle size programmed into the Anti-lock Brake Module, and the actual axle size installed into the vehi-
cle.

Does the programmed axle size match the installed axle?

Yes

>> Replace the Controller Anti-lock Brake in accordance with the Service Information. Refer to the symptom

*Replacing the Anti-lock Brake Module for additional information.

Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)

No

>> Reprogram the Anti-lock Brake Module in accordance with the Service Information.

Perform ABS VERIFICATION TEST - VER 1. (Refer to 5 - BRAKES/ELECTRICAL - DIAGNOSIS AND
TESTING)

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BRAKES - ABS - ELECTRICAL DIAGNOSTICS

DR/DH

PUMP MOTOR CIRCUIT OPEN — 67

DR/DH

BRAKES - ABS - ELECTRICAL DIAGNOSTICS

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