DTC Descriptors
WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
- DTC B0173
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Upper Left Duct Air Temperature Sensor Circuit
- DTC B0178
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Lower Left Duct Air Temperature Sensor Circuit
- DTC B0509
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Upper Right Duct Air Temperature Sensor Circuit
- DTC B0514
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Lower Right Duct Air Temperature Sensor Circuit
- DTC B0519
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Rear Upper Duct Air Temperature Sensor Circuit
- DTC B3583
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Rear Lower Duct Air Temperature Sensor Circuit
- DTC B3933
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Air Conditioning Evaporator Temperature Sensor Circuit
For symptom byte information, refer to Symptom Byte List .