OBD Guide
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P1A94

14-Volt Power Module Stuck ON

P1A94 is an OBD-II diagnostic trouble code meaning: 14-Volt Power Module Stuck ON. Common causes: 14v power module faulty, problems with wiring or connectors. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Hybrid System Warning Lamp
  • Reduced performance of the hybrid system
  • High voltage battery discharge
  • Overheating of power system components

Causes

  • 14V power module faulty
  • Problems with wiring or connectors
  • Energy management software error
  • Short circuit in control circuit

How to Fix

  1. Check the status of the 14 V power module
  2. Inspect wiring and connectors for damage
  3. Run software diagnostics
  4. Replace the power module if necessary

Related codes

P1A95P1A96

FAQ

What does the P1A94 code mean?

P1A94 is an OBD-II diagnostic trouble code that indicates: 14-Volt Power Module Stuck ON

What causes a P1A94 error code?

The most common causes of P1A94 include: 14V power module faulty; Problems with wiring or connectors; Energy management software error; Short circuit in control circuit.

How do I fix a P1A94 diagnostic trouble code?

To fix P1A94: Check the status of the 14 V power module. Inspect wiring and connectors for damage. Run software diagnostics. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1A94?

Limited driving only, diagnose soon

How much does it cost to fix P1A94?

The estimated repair cost for P1A94 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat