B1D4D
Memory Switch Input Circuit Stuck
B1D4D is an OBD-II diagnostic trouble code meaning: Memory Switch Input Circuit Stuck. Common causes: short circuit in wiring harness, memory switch failure. Estimated repair cost: $56–167.
Symptoms
- Restraint indicator flashing
- System diagnostic error
- Lack of system response to switch state changes
Causes
- Short circuit in wiring harness
- Memory switch failure
- Damage to contacts in connectors
- Problems with the restraint system controller
How to Fix
- Check the integrity of the memory switch wiring harness
- Check connector contacts for oxidation or damage.
- Replace memory switch if necessary
- Conduct diagnostics of the passive safety system controller
Related codes
FAQ
What does the B1D4D code mean?
B1D4D is an OBD-II diagnostic trouble code that indicates: Memory Switch Input Circuit Stuck
What causes a B1D4D error code?
The most common causes of B1D4D include: Short circuit in wiring harness; Memory switch failure; Damage to contacts in connectors; Problems with the restraint system controller.
How do I fix a B1D4D diagnostic trouble code?
To fix B1D4D: Check the integrity of the memory switch wiring harness. Check connector contacts for oxidation or damage.. Replace memory switch if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1D4D?
Do not drive — repair immediately
How much does it cost to fix B1D4D?
The estimated repair cost for B1D4D is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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