DTC Descriptors
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- DTC P0989
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Transmission Fluid Pressure (TFP) Switch 5 Circuit Low Voltage
- DTC P0990
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Transmission Fluid Pressure (TFP) Switch 5 Circuit High Voltage