RAM 2500 Truck 4WD V8-5.7L VIN D (2005)
Turn the ignition off.
Measure the resistance of the (C34) Common Door Driver Circuit, the (C32) Recirculation Door Driver circuit, the (C61) Blend Door Driver
circuit, the (C801) Mode Door 1 Driver circuit, the (C29) Mode Door 2 Driver circuit, and the (C33) Passenger Blend Door Driver circuit
between ground and the A/C Heater Control C1 harness connector.
Q: Is the resistance below 10k ohms on any of the circuits?
YES: Repair all door driver circuits with a resistance below 10k ohms for a short to ground. Perform BODY VERIFICATION TEST - VER 1.
See: Testing and Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests/Body Verification Test
NO: Go To 8
8. CHECK THE (C32) RECIRCULATION DOOR DRIVER CIRCUIT FOR A SHORT TO THE (C61) BLEND DOOR DRIVER
CIRCUIT, THE (C801) MODE DOOR 1 DRIVER CIRCUIT, THE (C29) MODE DOOR 2 DRIVER CIRCUIT, & THE (C33)
PASSENGER BLEND DOOR DRIVER CIRCUIT
Turn the ignition off.
Disconnect the A/C Heater Control C1 harness connector.
Measure the resistance between the (C32) Recirculation Door Driver circuit and the (C61) Blend Door Driver circuit, the (C801) Mode Door 1
Driver circuit, the (C29) Mode Door 2 Driver circuit, and the (C33) Passenger Blend Door Driver circuit in the A/C Heater Control C1 harness
connector.
Q: Is the resistance below 10k ohms on any of the circuits?
YES: Repair all circuits with a resistance below 10k ohms for a short to the (C32) Recirculation Door Driver circuit. Perform BODY
