P0973
PowertrainTransmission Solenoidmoderate severityShift Solenoid A Control Circuit Low
What P0973 Means
The transmission control module detected a low voltage condition in the shift solenoid A control circuit. This can prevent proper gear shifts controlled by that solenoid.
Symptoms
- Stuck in gear
- Harsh shifts
- Transmission warning light
Common Causes
- Short to ground in solenoid wiring
- Faulty shift solenoid A
- Corroded or loose connector
- Failed transmission control module
Diagnostic Steps
- Retrieve fault codes
- Inspect solenoid A wiring and connector
- Measure resistance and check for short to ground
- Replace shift solenoid A if out of spec
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