OBD Guide
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P1332

Knock Sensor 4 Low Input

P1332 is an OBD-II diagnostic trouble code meaning: Knock Sensor 4 Low Input. Common causes: knock sensor malfunction, damage to the wiring to the sensor. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Detonation knocks during acceleration
  • Check Engine Light Is On
  • The engine goes into emergency mode

Causes

  • Knock sensor malfunction
  • Damage to the wiring to the sensor
  • Poor contact in the sensor connector
  • Sensor Grounding Problems
  • Malfunction of the engine control unit (ECU)

How to Fix

  1. Check the integrity of the knock sensor
  2. Check the condition of the wiring and connectors
  3. Measure sensor resistance
  4. If necessary, replace the knock sensor
  5. Check connection to ECU

Related codes

P1330P1331P1333

Error P1332 by Vehicle Brand

BMWVolkswagen

FAQ

What does the P1332 code mean?

P1332 is an OBD-II diagnostic trouble code that indicates: Knock Sensor 4 Low Input

What causes a P1332 error code?

The most common causes of P1332 include: Knock sensor malfunction; Damage to the wiring to the sensor; Poor contact in the sensor connector; Sensor Grounding Problems.

How do I fix a P1332 diagnostic trouble code?

To fix P1332: Check the integrity of the knock sensor. Check the condition of the wiring and connectors. Measure sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1332?

Limited driving only, diagnose soon

How much does it cost to fix P1332?

The estimated repair cost for P1332 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat