OBD Guide

P0229

Throttle/Pedal Position Sensor/Switch C Circuit Intermittent

P0229 is an OBD-II diagnostic trouble code meaning: Throttle/Pedal Position Sensor/Switch C Circuit Intermittent. Common causes: broken or damaged wiring harness, oxidized or corroded contacts. Estimated repair cost: $56–167.

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

Symptoms

  • Floating idle speed
  • Power Loss
  • Difficulty starting the engine
  • Check Engine light comes on

Causes

  • Broken or damaged wiring harness
  • Oxidized or corroded contacts
  • Throttle Position Sensor C fault
  • Problems with the sensor connector
  • Short circuit in the circuit

How to Fix

  1. Check the wiring harness for breaks or damage
  2. Clean contacts from oxidation
  3. Check the resistance and voltage on the sensor (compare with the technical specifications)
  4. If necessary, replace throttle position sensor C

Related codes

Error P0229 by Vehicle Brand

FAQ

What does the P0229 code mean?

P0229 is an OBD-II diagnostic trouble code that indicates: Throttle/Pedal Position Sensor/Switch C Circuit Intermittent

What causes a P0229 error code?

The most common causes of P0229 include: Broken or damaged wiring harness; Oxidized or corroded contacts; Throttle Position Sensor C fault; Problems with the sensor connector.

How do I fix a P0229 diagnostic trouble code?

To fix P0229: Check the wiring harness for breaks or damage. Clean contacts from oxidation. Check the resistance and voltage on the sensor (compare with the technical specifications). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0229?

Limited driving only, diagnose soon

How much does it cost to fix P0229?

The estimated repair cost for P0229 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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