OBD Guide
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P1358

Ignition Diagnostic Monitor Signal Out of Self-Test Range

P1358 is an OBD-II diagnostic trouble code meaning: Ignition Diagnostic Monitor Signal Out of Self-Test Range. Common causes: faulty ignition coil, wiring harness damage. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable engine operation
  • Misfires
  • Power Loss
  • Increased fuel consumption
  • Check Engine light comes on

Causes

  • Faulty ignition coil
  • Wiring harness damage
  • Problems with the engine control module
  • Crankshaft position sensor malfunction
  • Short circuit in ignition circuit

How to Fix

  1. Check the condition of the ignition coil
  2. Inspect the wiring harness for damage
  3. Check connections and contacts in the ignition system
  4. Test the crankshaft position sensor
  5. Reset the error and re-test

Related codes

P1351P1354P1360

Error P1358 by Vehicle Brand

BMWBuickCadillacChevroletChryslerFordGMGMCLincolnMazdaMercuryOldsmobileSaturnVolkswagen

FAQ

What does the P1358 code mean?

P1358 is an OBD-II diagnostic trouble code that indicates: Ignition Diagnostic Monitor Signal Out of Self-Test Range

What causes a P1358 error code?

The most common causes of P1358 include: Faulty ignition coil; Wiring harness damage; Problems with the engine control module; Crankshaft position sensor malfunction.

How do I fix a P1358 diagnostic trouble code?

To fix P1358: Check the condition of the ignition coil. Inspect the wiring harness for damage. Check connections and contacts in the ignition system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1358?

Yes, but get it checked soon

How much does it cost to fix P1358?

The estimated repair cost for P1358 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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