OBD Guide
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P1363

Ignition Coil 'D' Secondary Circuit Malfunction

P1363 is an OBD-II diagnostic trouble code meaning: Ignition Coil 'D' Secondary Circuit Malfunction. Common causes: ignition coil 'd' faulty, damage to high voltage wires. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Misfire in one of the cylinders
  • The engine hesitates or runs unevenly
  • Reduced power and deterioration in dynamics
  • Increased fuel consumption
  • Check Engine Light Is On

Causes

  • Ignition coil 'D' faulty
  • Damage to high voltage wires
  • Poor contact in coil connectors
  • Engine control unit malfunction
  • Coil power or ground problems

How to Fix

  1. Check resistance of ignition coil 'D'
  2. Inspect high voltage wires for damage
  3. Check the connectors and coil contacts
  4. Replace the faulty ignition coil
  5. Test the system after repair

Related codes

P0351P0352P0353P0354

Error P1363 by Vehicle Brand

BMWBuickCadillacChevroletChryslerFordGMGMCJaguarLincolnMercuryOldsmobileSaturnVolkswagen

FAQ

What does the P1363 code mean?

P1363 is an OBD-II diagnostic trouble code that indicates: Ignition Coil 'D' Secondary Circuit Malfunction

What causes a P1363 error code?

The most common causes of P1363 include: Ignition coil 'D' faulty; Damage to high voltage wires; Poor contact in coil connectors; Engine control unit malfunction.

How do I fix a P1363 diagnostic trouble code?

To fix P1363: Check resistance of ignition coil 'D'. Inspect high voltage wires for damage. Check the connectors and coil contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1363?

Limited driving only, diagnose soon

How much does it cost to fix P1363?

The estimated repair cost for P1363 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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