OBD Guide

P1A92

14 Volt Power Module Temperature Sensor 1 Circuit High Voltage

P1A92 is an OBD-II diagnostic trouble code meaning: 14 Volt Power Module Temperature Sensor 1 Circuit High Voltage. Common causes: malfunction of the temperature sensor of the 14v power module, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Incorrect operation of the power system
  • Possible problems with battery charging
  • Reduced hybrid system efficiency (if applicable)

Causes

  • Malfunction of the temperature sensor of the 14V power module
  • Open or short circuit in the sensor circuit
  • Wiring Harness Problems
  • 14V power module faulty
  • Poor contact in connectors

How to Fix

  1. Check the continuity of the temperature sensor circuit
  2. Inspect connectors and connections for corrosion or damage
  3. Check the functionality of the temperature sensor
  4. Test the 14V power module
  5. If necessary, replace the sensor or power module

Related codes

FAQ

What does the P1A92 code mean?

P1A92 is an OBD-II diagnostic trouble code that indicates: 14 Volt Power Module Temperature Sensor 1 Circuit High Voltage

What causes a P1A92 error code?

The most common causes of P1A92 include: Malfunction of the temperature sensor of the 14V power module; Open or short circuit in the sensor circuit; Wiring Harness Problems; 14V power module faulty.

How do I fix a P1A92 diagnostic trouble code?

To fix P1A92: Check the continuity of the temperature sensor circuit. Inspect connectors and connections for corrosion or damage. Check the functionality of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1A92?

Yes, but get it checked soon

How much does it cost to fix P1A92?

The estimated repair cost for P1A92 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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