B1352: Ignition Key-In Circuit Failure
MediumBodySecurity & Immobiliser
What does B1352 mean?
B1352 is a diagnostic trouble code indicating "Ignition Key-In Circuit Failure". This code relates to your vehicle's security & immobiliser and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.
Symptoms you may notice
- Check engine light (MIL) illuminated on dashboard
- Intermittent warning lights
- Erratic gauge readings
Estimated repair cost
Typical range in Australia (parts + labour)
$100 – $500 AUD
Common causes
- Faulty security & immobiliser component
- Wiring or connector issue in the related circuit
- Failed sensor providing incorrect readings
- Software/calibration issue requiring ECU update
- Related component causing secondary fault
What should you do?
This code sits in the immobiliser or vehicle security system. Braking and steering are not affected, but the car may refuse to start or strand you somewhere inconvenient. Plan the repair rather than rushing it.
Get a diagnosis for YOUR car
Code B1352 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.