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B2591: Detent Signal Missing During Unlatch

OTHER
System
Body

What Does B2591 Mean?

B2591 is a manufacturer-specific diagnostic trouble code: Detent Signal Missing During Unlatch. This code applies to OTHER vehicles. Unlike generic OBD-II codes, manufacturer-specific codes are defined by the vehicle maker and may only apply to certain makes and models.

Symptoms of B2591

Frequently Asked Questions

What does B2591 mean?
Detent Signal Missing During Unlatch. This is a manufacturer-specific code for OTHER vehicles.
Which vehicles get code B2591?
This code appears primarily in OTHER vehicles. Check your owner's manual or a dealer for model-specific information.
Can I fix this myself?
Manufacturer-specific codes often require a brand-specific diagnostic scanner for full data. A dealer or specialist with the right tools will diagnose it most accurately.

What To Do Next

  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

B2500 COURTESY LAMP OUTPUT Ckt Short to Battery B2501 LF LAMP LOW BEAM CIRCUIT Failure B2502 LF LAMP LOW BEAM CIRCUIT Short to Battery B2503 RF LAMP LOW BEAM CIRCUIT Failure B2504 RF LAMP LOW BEAM CIRCUIT Short to Battery B2505 LF LAMP HIGH BEAM CIRCUIT Failure B2506 LF LAMP HIGH BEAM CIRCUIT Short to Battery B2507 RF LAMP HIGH BEAM CIRCUIT Failure B2508 RF LAMP HIGH BEAM CIRCUIT Short to Battery B2509 Rear Fog Lamp Switch Circuit Failure