: | Dec 17, 2007 |
Mechanical | Electrical |
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Because the DTCs are stored in more than one module, a complete vehicle read is recommended. |
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Make sure that all DTCs are cleared following rectification |
Symptom | Possible causes | Action |
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Fog lamp inoperative |
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Check the bulb condition. Check the fuse(s) (see visual inspection). Check the fog lamp circuits. Check the switch function. Refer to the electrical guides. |
Fog lamp dim |
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Check the bulb condition and rating. Check the fog lamp circuits. Check the switch function. Refer to the electrical guides. |
Warning lamp inoperative |
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Check the fuse(s) (see visual inspection). Check the switch function. Check the warning lamp circuits. Refer to the electrical guides. Check for DTCs indicating an instrument cluster fault. |
Generic scan tools may not read the codes listed, or may read only 5-digit codes. Match the 5 digits from the scan tool to the first 5 digits of the 7-digit code listed to identify the fault (the last 2 digits give extra information read by the manufacturer-approved diagnostic system). |
DTC | Description | Possible causes | Action |
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B1A7964 | Rear Fog Lamp |
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Check the instrument cluster and circuits. Refer to the electrical guides. |
B1D4013 | Lighting Switch Connection Circuit |
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Refer to the guided diagnostic routine for this code on the approved diagnostic system. Refer to the electrical guides and check the switch circuit, repair/renew as necessary. |