OBD Guide
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B2275

Pedal Forward/Rearward Potentiometer Feedback Circuit Short to Ground

B2275 is an OBD-II diagnostic trouble code meaning: Pedal Forward/Rearward Potentiometer Feedback Circuit Short to Ground. Common causes: damage to the pedal position sensor wiring harness, short circuit in potentiometer feedback circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect operation of the accelerator/brake pedal
  • Check Engine light comes on
  • Reduced engine power (transition to emergency mode)
  • Jerking when changing pedal position

Causes

  • Damage to the pedal position sensor wiring harness
  • Short circuit in potentiometer feedback circuit
  • Malfunction of the pedal position sensor itself
  • Contact problems or corrosion in connectors
  • Damage to the insulation of the wires near the pedal assembly

How to Fix

  1. Visual inspection of the wiring harness and connectors in the pedal assembly area
  2. Checking the integrity of wires and quality of contacts
  3. Pedal sensor resistance measurement
  4. Checking sensor signals using an oscilloscope or scanner
  5. Replacing the pedal position sensor if necessary
  6. Repair or replace damaged sections of the wiring harness

Related codes

B2276B2277P2122P2127

FAQ

What does the B2275 code mean?

B2275 is an OBD-II diagnostic trouble code that indicates: Pedal Forward/Rearward Potentiometer Feedback Circuit Short to Ground

What causes a B2275 error code?

The most common causes of B2275 include: Damage to the pedal position sensor wiring harness; Short circuit in potentiometer feedback circuit; Malfunction of the pedal position sensor itself; Contact problems or corrosion in connectors.

How do I fix a B2275 diagnostic trouble code?

To fix B2275: Visual inspection of the wiring harness and connectors in the pedal assembly area. Checking the integrity of wires and quality of contacts. Pedal sensor resistance measurement. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2275?

Limited driving only, diagnose soon

How much does it cost to fix B2275?

The estimated repair cost for B2275 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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