OBD Guide
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B1352

Ignition Key-In Circuit Failure

B1352 is an OBD-II diagnostic trouble code meaning: Ignition Key-In Circuit Failure. Common causes: broken wires in the ignition circuit, poor contact in connectors. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Ignition does not turn on
  • Problems starting the engine
  • Flashing indicators on the instrument panel

Causes

  • Broken wires in the ignition circuit
  • Poor contact in connectors
  • Ignition switch malfunction
  • Problems with the ECU

How to Fix

  1. Check the integrity of the wiring harness
  2. Inspect the ignition circuit connectors for corrosion or damage.
  3. Check the ignition switch and its contacts
  4. Replace faulty components if necessary
  5. Reset the error code and check for it to reappear

Related codes

B1351B1353P0510

FAQ

What does the B1352 code mean?

B1352 is an OBD-II diagnostic trouble code that indicates: Ignition Key-In Circuit Failure

What causes a B1352 error code?

The most common causes of B1352 include: Broken wires in the ignition circuit; Poor contact in connectors; Ignition switch malfunction; Problems with the ECU.

How do I fix a B1352 diagnostic trouble code?

To fix B1352: Check the integrity of the wiring harness. Inspect the ignition circuit connectors for corrosion or damage.. Check the ignition switch and its contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1352?

Limited driving only, diagnose soon

How much does it cost to fix B1352?

The estimated repair cost for B1352 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat