| DodgeRam.info > TSB's > 08-031-03 |
TSB 08-031-03
PCM Connector Corroded - Sets MIL Light
| Visit Geno's Garage for Truck accessories. |
 |
| DodgeRam.info > TSB's > 08-031-03 |
| Visit Geno's Garage for Truck accessories. |
|
Date: Oct. 31, 2003
Models: 2003 (DR) Ram Truck
NOTE: This bulletin applies to vehicles equipped with a 5.9L diesel engine and an automatic transmission.
Overview:
This bulletin involves replacing the Power Train Control Module (PCM) and the
related wire harness.
Symptom/Condition:
Water may enter the PCM connector causing corrosion of electrical terminals
on the PCM. This condition can set diagnostic trouble codes and illuminate the
MIL light. The most common codes encountered are: PO 123 - TPS voltage high
or PO 1596 - MUX Speed Control Voltage High.
Diagnosis:
If either of these diagnostic trouble codes are present or other
diagnostics lead to PCM connector problems, inspect the PCM and the PCM wire
harness connector. Look for darkened or discolored connector pins or any signs
of tracking an the insulator. If any signs of corrosion are present. perform
the Repair Procedure. If no signs of corrosion are present other diagnostic
methods will be required.
Parts Required:
| Qty. | Part No. | Description |
| AR | 56040478AG | PCM - 6.9 L Diesel - Fed. - 47RE, Std. Output |
| AR | 56040479AG | PCM - 5.9 L Diesel - Cal. - 47RE, Std. Output |
| AR | 56028762AE | PCM - 5.9 L Diesel - Cal. - 48RE, Std. Output |
| AR | 56040476AE | PCM - 5.9 L Diesel - Fed. - High Output - 48RE |
| AR | 56028740AE | PCM - 5.9 L Diesel - Fed. - Std. Output - 48RE |
| AR | 58051661AA | Wire Harness - Diesel - Manual Shift Transfer Case |
| AR | 56051862AA | Wire Harness - Diesel - Electric Shift Transfer Case |
Repair Procedure:
| 1. | Disconnect the negative battery cable. |
| 2. | Remove the PCM. |
| 3. | Install the appropriate PCM from the Parts Required section above. |
| 4. | Remove the transmission wire harness from the vehicle and Install the appropriate now harness listed above. |
| 5. | Make sure to fully coat the harness connector into the PCM. Push the harness connectors slowly into the PCM. Two clicks will be heard when the connector is seated. This assures that both latches are secure. |
| 6. | Connect the negative battery cable. |
Policy: Reimbursable within the provisions of the warranty.
Time Allowance:
| Labor Operation No: | Description | Amount |
| 08-90-65-99 | Replace PCM and Wire Harness | 1.1 Hrs. |
Failure Code:
| K4 | Loose |
| 83 | Connection Loose |
I would like to thank Bob Bergevin, Arthur Cantrall, Barry Drodge, David Lovell, Bill Maurits, and Steve for supplying the information for these bulletins. And a big thank you goes to Geno's Garage for making DodgeRam.info possible. |
This page was edited on: May 3, 2004