Inspection and Verification

WARNING: This page is about a different car, the 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Verify the customer concern.

Visually inspect the following for obvious signs of mechanical and electrical damage.

VISUAL INSPECTION CHART

Mechanical	Electrical
Digital transmission range (TR) sensor (automatic transmission) Reversing lamp switch (manual transmission)	Central junction box (CJB) fuse 8 (15A) (reversing lamp relay) Circuitry Digital TR sensor (automatic transmission) Reversing lamp switch (manual transmission)

If the concern is not visually evident, verify the symptom. GO to SYMPTOM CHART .
If the cause is not visually evident, connect the diagnostic tool to the data link connector (DLC) and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
- check that the program card is correctly installed.
- check the connections to the vehicle.
- check the ignition switch position.
If the diagnostic tool still does not communicate with the vehicle, refer to diagnostic tool's operating manual.
Carry out the data link diagnostic test. If the diagnostic tool responds with: circuit fault; all module no response/not equipped, refer to MODULE COMMUNICATIONS NETWORK .
- System passed, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs and carry out self-test diagnostics.
- If the DTCs retrieved are related to the concern, refer to the POWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX to continue diagnostics.
- If no DTCs related to the concern are retrieved, GO to SYMPTOM CHART .
- For a complete master list of DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES .

POWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX

DTC	Description	Source	Action
P1910	PCM Input Open/Short to Power	PCM	GO to PINPOINT TEST U .