AutoCodes - OBDII Code List - P0812 2003 FORD F150

P0812 2003 FORD F150 - Reverse Switch Input Circuit Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

P0812 2003 FORD F150 Possible Causes

  • Faulty Reverse Input Switch
  • Reverse Input Switch harness is open or shorted
  • Reverse Input Switch circuit poor electrical connection
  • Damaged PCM

How do I fix code P0812 2003 FORD F150?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Tech Notes

The DTC indicates that the voltage is high when it should be low.

Cost of diagnosing the P0812 2003 FORD F150 code

Labor: 1.0

The cost of diagnosing the P0812 2003 FORD F150 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0812 2003 FORD F150 Description

The Transmission Control Module (TCM) monitors the Reverse Switch Input signal. The TCM sets the OBDII code when the Reverse Switch Input is not to factory specifications.
OBDII Code P0812 2003 Ford F150 - Reverse Switch Input Circuit Malfunction  -

More Information

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