RAM 2500 Truck 4WD V8-5.7L VIN D (2005)
Measure the resistance between the (T526) Rear Locker Source circuit and the (T528) Rear Locker Return circuit in the Rear Locker Solenoid
harness connector.
Is the resistance below 100 ohms?
Yes >> Repair the short between (T526) Rear Locker Source circuit and the (T528) Rear Locker Return circuit.
Perform FDCM VERIFICATION TEST See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Diagnostic
Trouble Code Tests and Associated Procedures/Verification Tests
No >> Go To 5
5. FDCM
NOTE: Before continuing, check the FDCM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.
Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and Ground circuits.
Were there any problems found?
Yes >> Repair as necessary.
Perform FDCM VERIFICATION TEST See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Diagnostic
Trouble Code Tests and Associated Procedures/Verification Tests
No >> Replace and program the Final Drive Control Module in accordance with Service Information.
Perform FDCM VERIFICATION TEST. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Diagnostic
Trouble Code Tests and Associated Procedures/Verification Tests
