OBD Guide
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B1359

Ignition Run/Acc Circuit Failure

B1359 is an OBD-II diagnostic trouble code meaning: Ignition Run/Acc Circuit Failure. Common causes: open or short circuit in wiring harness, oxidation of contacts in connectors. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Problems starting the engine
  • Unstable idling
  • Loss of power during acceleration
  • Check Engine Light Illuminates

Causes

  • Open or short circuit in wiring harness
  • Oxidation of contacts in connectors
  • Faulty relays or fuses
  • Problems with the engine control unit (ECU)
  • Damage to sensors associated with the ignition system

How to Fix

  1. Conduct a visual inspection of the wiring harness for damage.
  2. Check the condition of the contacts in the control system connectors
  3. Test continuity with a multimeter
  4. Check fuses and relays associated with the ignition system
  5. Read system operating parameters using an OBD-II scanner

Related codes

P0350P0351P0352P0353

FAQ

What does the B1359 code mean?

B1359 is an OBD-II diagnostic trouble code that indicates: Ignition Run/Acc Circuit Failure

What causes a B1359 error code?

The most common causes of B1359 include: Open or short circuit in wiring harness; Oxidation of contacts in connectors; Faulty relays or fuses; Problems with the engine control unit (ECU).

How do I fix a B1359 diagnostic trouble code?

To fix B1359: Conduct a visual inspection of the wiring harness for damage.. Check the condition of the contacts in the control system connectors. Test continuity with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1359?

Limited driving only, diagnose soon

How much does it cost to fix B1359?

The estimated repair cost for B1359 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat