NOTE: If a control module or component is suspected and the vehicle continues to be covered by the manufacturer's warranty, refer to the warranty manual before installing a new module/component (subsection B1.2), or determine if there is any previously approved special program in operation.
NOTE: Universal Scan Tools cannot read the listed codes or can only read 5-digit codes. Match the 5 digits from the scan tool with the first 5 digits of the listed 7 digit code to identify the problem (the last 2 digits give additional information read by the diagnostic system approved by the manufacturer).
NOTE: Always use a digital multimeter when performing voltage or resistance tests (DMM) accurate to three decimal places and with a modern calibration certificate. When testing resistance, always consider the resistance of the DMM wires.
NOTE: Before starting diagnostic programs using Pinpoint tests, check and correct basic problems.
NOTE: If DTCs are logged and there is no problem after performing Pinpoint tests, an intermittent problem may be the cause. Always check for loose connections and corroded contacts
| DTC | Description | Possible reason | Action |
| B113C11 | Hazard light switch illumination - circuit short to ground | Hazard light switch illumination - circuit short to ground | Refer to electrical circuit diagrams and check hazard warning light switch illumination circuit for short to ground |
| B113C15 | Hazard light switch illumination - circuit short to battery or open | Illumination of the emergency light switch - short circuit of the electrical circuit to + battery, open circuit | Refer to electrical circuit diagrams and check hazard warning light switch illumination circuit for short to battery, open |
| B1D1312 | Interior lamp circuit #1 - short circuit to +battery | Instrument panel lighting circuit - short circuit to +battery | Refer to electrical circuit diagrams and check instrument panel lights circuit for short to battery |
| B1D1314 | Interior Lights #1 circuit - short to ground or open | Instrument panel lighting circuit - short to ground, open | Refer to electrical circuit diagrams and check instrument panel lights circuit for short to ground, open |
| B1D1A12 | Interior lamp circuit "WITH" - short circuit to + battery | Ceiling console lamp circuit - short circuit to +battery | Refer to electrical circuit diagrams and check ceiling panel lamp circuit for short to battery |
| B1D1A14 | Interior lamp circuit "WITH" - short circuit to ground or break | Ceiling console lamp circuit - short to ground, open | Refer to electrical circuit diagrams and check ceiling panel lamps circuit for short to ground, open |
| U025200 | Lost Communication with Rear Lighting Control Module "IN" | Lost Communication with Trailer Module | Perform a network check for this DTC using the manufacturer approved diagnostic system. |
| U201011 | Switch illumination - circuit short to ground | Switch illumination - circuit short to ground | Refer to electrical circuit diagrams and check switch illumination circuit for short to ground |
| U201015 | Switch backlight - short circuit of the electrical circuit to + battery or open circuit | Switch backlight - short circuit of the electrical circuit to + battery, open circuit | Refer to electrical circuit diagrams and test switch illumination circuit for short to battery, open |
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