OBD Guide
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P1351

Ignition Control Module Circuit High Voltage

P1351 is an OBD-II diagnostic trouble code meaning: Ignition Control Module Circuit High Voltage. Common causes: damage to the ignition module wiring, ignition module malfunction. Estimated repair cost: $22–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–167 (est.)

Symptoms

  • Misfires
  • Reduced engine power
  • Difficulty starting the engine
  • Jerking during acceleration
  • Check Engine light comes on

Causes

  • Damage to the ignition module wiring
  • Ignition module malfunction
  • Poor contact in connectors
  • Problems with the charging system
  • Short circuit in the circuit

How to Fix

  1. Check the condition of the wires and connectors of the ignition module
  2. Measure the resistance of the control circuit
  3. Check the module supply voltage
  4. Replace the ignition module if necessary
  5. Test the car charging system

Related codes

P1350P1352P1354

Error P1351 by Vehicle Brand

BMWBuickCadillacChevroletChryslerFordGMGMCLexusLincolnMazdaMercedes-BenzMercuryOldsmobileSaturn

FAQ

What does the P1351 code mean?

P1351 is an OBD-II diagnostic trouble code that indicates: Ignition Control Module Circuit High Voltage

What causes a P1351 error code?

The most common causes of P1351 include: Damage to the ignition module wiring; Ignition module malfunction; Poor contact in connectors; Problems with the charging system.

How do I fix a P1351 diagnostic trouble code?

To fix P1351: Check the condition of the wires and connectors of the ignition module. Measure the resistance of the control circuit. Check the module supply voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1351?

Limited driving only, diagnose soon

How much does it cost to fix P1351?

The estimated repair cost for P1351 is $22–167. Actual cost depends on your vehicle, location, and labor rates.

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