All codes/P032A

P032A

Knock/Combustion Vibration Sensor C Circuit

High severity

A general electrical fault on knock sensor C — used on engines with multiple knock sensors (one per bank or per cylinder pair).

A general electrical fault on knock sensor C — used on engines with multiple knock sensors (one per bank or per cylinder pair).

Common causes

  • Sensor failed

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $60-440

  • Gateway module routing CAN messages incorrectly

    Less common, but worth ruling out after the more likely causes.

    low

    Typical part cost: $60-440

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does P032A mean?

P032A means "Knock/Combustion Vibration Sensor C Circuit". It is a generic OBD-II code that points to a fault in the ignition system or misfire.

What are the most common causes of P032A?

sensor failed; gateway module routing can messages incorrectly; can terminating resistor (120 ω) drifted out of spec — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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