DTC Descriptor
WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Cadillac Escalade ESV, and 2018 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
- DTC P0721
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Output Speed Sensor Performance
- DTC P0722
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Output Speed Sensor Circuit No Signal
- DTC P0723
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Output Speed Sensor Circuit Intermittent
- DTC P077C
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Output Speed Sensor Circuit Low Voltage
- DTC P077D
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Output Speed Sensor Circuit High Voltage
- DTC P077A
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Output Speed Sensor Direction Not Plausible - Forward
- DTC P077B
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Output Speed Sensor Direction Not Plausible - Reverse