DTC Descriptor

WARNING: This page is about a different car, the 2020 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

DTC P073D: Unable to Engage Neutral
DTC P073E: Unable to Engage Reverse
DTC P07E4: Unable to Engage Park
DTC P07E5: Unable to Engage Drive
DTC P16F4: Control Module Transmission Range Switch Input Circuitry Performance
DTC P1769: Transmission Range Signal - Transmission Range Selector Shaft Position Sensor Not Plausible
DTC P1772: Powerflow Engaged Signal Message Counter Incorrect
DTC P1773: Internal Mode Switch State Signal Message Counter Incorrect
DTC P1774: Range Motor Position Status Message Counter Incorrect
DTC P1778: Transmission Range Availability Signal Message Counter Incorrect
DTC P177A: Backup Park Lock Actuator Status Message Counter Incorrect
DTC P1787: Unexpected Range Change Detected
DTC P1789: Current Transmission Range Unknown
DTC P178A: Commanded Transmission Range - Transmission Range Selector Shaft Position Sensor Not Plausible
DTC P178B: Backup Park Lock Actuator Backup Power Supply Performance
DTC P178C: Backup Park Lock Actuator Performance During Park Test
DTC P178D: Backup Park Lock Actuator Performance
DTC P178E: Backup Park Lock Actuator Arming Performance
DTC P17CF: Backup Park Lock Actuator Supply Voltage Circuit Low Voltage
DTC P17D5: Transmission Range Control Slow Response
DTC P187F: Transmission Range Primary Input Signal Message Counter Incorrect
DTC P188A: Transmission Range Secondary Input Signal Message Counter Incorrect