OBD Guide
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P1A8E

14 Volt Power Module Voltage Sensor Circuit High Voltage

P1A8E is an OBD-II diagnostic trouble code meaning: 14 Volt Power Module Voltage Sensor Circuit High Voltage. Common causes: power module voltage sensor malfunction, short circuit in the sensor circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced performance of the hybrid system
  • Problems charging a 12-volt battery
  • Failure of auxiliary electrical systems
  • Error message on the dashboard

Causes

  • Power module voltage sensor malfunction
  • Short circuit in the sensor circuit
  • Wiring Harness Problems
  • 14V power module malfunction
  • Poor contact or corrosion in connectors

How to Fix

  1. Check the voltage in the sensor circuit
  2. Inspect the wiring harness and connectors for damage.
  3. Check the functionality of the voltage sensor
  4. Test the 14-volt power module
  5. If necessary, replace the sensor or power module

Related codes

P1A8FP0AA6P0AA7

FAQ

What does the P1A8E code mean?

P1A8E is an OBD-II diagnostic trouble code that indicates: 14 Volt Power Module Voltage Sensor Circuit High Voltage

What causes a P1A8E error code?

The most common causes of P1A8E include: Power module voltage sensor malfunction; Short circuit in the sensor circuit; Wiring Harness Problems; 14V power module malfunction.

How do I fix a P1A8E diagnostic trouble code?

To fix P1A8E: Check the voltage in the sensor circuit. Inspect the wiring harness and connectors for damage.. Check the functionality of the voltage sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1A8E?

Yes, but get it checked soon

How much does it cost to fix P1A8E?

The estimated repair cost for P1A8E is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat