OBD Guide
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P1527

Throttle Position Sensor Learned Closed Throttle Degrees Out Of-Range

P1527 is an OBD-II diagnostic trouble code meaning: Throttle Position Sensor Learned Closed Throttle Degrees Out Of-Range. Common causes: throttle valve contamination, mechanical wear of tps. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable idle
  • Loss of engine power
  • Increased fuel consumption
  • Check Engine Light Is On
  • Dips during acceleration

Causes

  • Throttle valve contamination
  • Mechanical wear of TPS
  • Problems with wiring or connectors
  • Malfunction of the sensor itself
  • Power or grounding problems

How to Fix

  1. Clean throttle body
  2. Check the condition of the TPS and its wiring
  3. Perform throttle position learning procedure
  4. Replace sensor if necessary
  5. Check the operation of the system after repair

Related codes

P0120P0121P0122P0123

Error P1527 by Vehicle Brand

BMWBuickCadillacChevroletChryslerGMGMCOldsmobileSaturnVolkswagen

FAQ

What does the P1527 code mean?

P1527 is an OBD-II diagnostic trouble code that indicates: Throttle Position Sensor Learned Closed Throttle Degrees Out Of-Range

What causes a P1527 error code?

The most common causes of P1527 include: Throttle valve contamination; Mechanical wear of TPS; Problems with wiring or connectors; Malfunction of the sensor itself.

How do I fix a P1527 diagnostic trouble code?

To fix P1527: Clean throttle body. Check the condition of the TPS and its wiring. Perform throttle position learning procedure. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1527?

Yes, but get it checked soon

How much does it cost to fix P1527?

The estimated repair cost for P1527 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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