OBD Guide
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P12A6

Fuel Pump Driver Control Module Enable Circuit Performance

P12A6 is an OBD-II diagnostic trouble code meaning: Fuel Pump Driver Control Module Enable Circuit Performance. Common causes: open or short circuit in control circuit, malfunction of the fuel pump control module. Estimated repair cost: $33–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Difficulty starting the engine
  • Unstable engine operation
  • Power Loss
  • Stalling engine
  • Check Engine Light Illuminates

Causes

  • Open or short circuit in control circuit
  • Malfunction of the fuel pump control module
  • Problems with the fuel pump relay
  • Corroded contacts or poor connections
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the integrity of the fuel pump module control circuit
  2. Check the condition of connectors and contacts
  3. Test the fuel pump control module
  4. Check fuel pump relay
  5. If necessary, replace the fuel pump control module

Related codes

P12A5P12A7P0230

FAQ

What does the P12A6 code mean?

P12A6 is an OBD-II diagnostic trouble code that indicates: Fuel Pump Driver Control Module Enable Circuit Performance

What causes a P12A6 error code?

The most common causes of P12A6 include: Open or short circuit in control circuit; Malfunction of the fuel pump control module; Problems with the fuel pump relay; Corroded contacts or poor connections.

How do I fix a P12A6 diagnostic trouble code?

To fix P12A6: Check the integrity of the fuel pump module control circuit. Check the condition of connectors and contacts. Test the fuel pump control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P12A6?

Limited driving only, diagnose soon

How much does it cost to fix P12A6?

The estimated repair cost for P12A6 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat