Right Rear Door Entry Keypad Circuit Open
The B0382 code means the vehicle's onboard diagnostic system has detected: Right Rear Door Entry Keypad Circuit Open. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- easy
- Estimated cost
- $40 - $250 (parts and labor)
Basic scanners skip body codes entirely. BlueDriver reads airbag, HVAC, lighting, and BCM codes through your phone.
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Common Symptoms
- Right Rear door ajar light stays on
- Interior lights stay on with doors closed
- Right Rear door not detected as closed
- Warning chime sounds with right rear door closed
Probable Causes (Ranked by Likelihood)
- Faulty right rear door entry keypad Very High
- Damaged right rear door wiring High
- Door latch not fully engaging Moderate
- BCM door input circuit fault Low
Step-by-Step Diagnostic Procedure
-
Test right rear door entry keypad operation
-
Check right rear door wiring continuity
-
Inspect door latch mechanism
-
Verify BCM door input signals
Frequently Asked Questions
Why does my door ajar light stay on?
Usually caused by a faulty door jamb switch or a door latch that is not fully closing.
Can a door ajar warning drain my battery?
Yes, if it keeps interior lights on, it can drain the battery overnight.
How do I test the door switch?
Use a multimeter to check continuity when the door is fully closed. The switch should close the circuit.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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