P0973moderate severityPowertrain
Shift Solenoid A Control Circuit Low
on 2025 Chevrolet Tahoe 5.3L V8 L84 · 4WD
What this code 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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Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0005
Fuel Shutoff Valve A Control Circuit/Open
P0006
Fuel Shutoff Valve A Control Circuit Low
P0007
Fuel Shutoff Valve A Control Circuit High
P0008
Engine Position System Performance - Bank 1
P0009
Engine Position System Performance - Bank 2
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1