Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Using Scan Tool
Diagnostic Trouble Codes (DTCs) can also be retrieved using scan tool. Connect scan tool to Data Link Connector (DLC) located under driver's side of instrument panel. See COMPONENT LOCATIONS. Turn ignition switch to ON position. Select appropriate module on scan tool display to retrieve current and history DTCs. Record DTCs and proceed to appropriate DTC and follow diagnostic and repair procedures. See POWER DOOR LOCK DIAGNOSTIC TROUBLE CODE table.
| DTC (1) | Description | ||||
|---|---|---|---|---|---|
| B2236 | Left Door Lock Switch Fault | ||||
| B2237 | Right Door Lock Switch Fault | ||||
| B2238 | Left Door Unlock Switch Fault | ||||
| B2239 | Right Door Unlock Switch Fault | ||||
| B2252 | Left Key Cylinder Fault | ||||
| B2253 | Right Key Cylinder Switch Fault | ||||
| B2276 | Left Door Lock/Mirror Heater Fault | ||||
| B2277 | Right Door Lock/Mirror Heater Fault | ||||
| B2278 | Switch Indicator/Illumination Circuit (Driver's Door) | ||||
| B2279 | Switch Illumination Circuit (Passenger's Door) | ||||
| B2282 (2) | LDCM Battery 1 Fault | ||||
| B2283 (2) | RDCM Battery 1 Fault | ||||
| B2284 (2) | LDCM Battery 2 Fault | ||||
| B2285 (2) | RDCM Battery 2 Fault | ||||
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NO RELATED
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.