OBD Guide
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B2245

Passenger Rear Door Ajar Circuit Open

B2245 is an OBD-II diagnostic trouble code meaning: Passenger Rear Door Ajar Circuit Open. Common causes: broken wire in the harness, oxidation of sensor contacts or connector. Estimated repair cost: $11–56.

Severity
✅ Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$11–56 (est.)

Symptoms

  • Incorrect display of door status on the instrument panel
  • The central locking for the rear right door does not work
  • Interior lighting does not turn on when the door is opened
  • False door open warning

Causes

  • Broken wire in the harness
  • Oxidation of sensor contacts or connector
  • Door sensor malfunction
  • BCM damage (rare)

How to Fix

  1. Visual inspection of the wiring harness and contacts
  2. Checking circuit continuity with a multimeter
  3. Cleaning oxidized contacts
  4. Replace the sensor if necessary
  5. Repair or replacement of damaged wires

Related codes

B2240B2241B2242B2243B2244

FAQ

What does the B2245 code mean?

B2245 is an OBD-II diagnostic trouble code that indicates: Passenger Rear Door Ajar Circuit Open

What causes a B2245 error code?

The most common causes of B2245 include: Broken wire in the harness; Oxidation of sensor contacts or connector; Door sensor malfunction; BCM damage (rare).

How do I fix a B2245 diagnostic trouble code?

To fix B2245: Visual inspection of the wiring harness and contacts. Checking circuit continuity with a multimeter. Cleaning oxidized contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2245?

Limited driving only, diagnose soon

How much does it cost to fix B2245?

The estimated repair cost for B2245 is $11–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat