Severity: Fix right away. Driving risks expensive damage or a breakdown.
The computer found a fault in the circuit for the solenoid that times gear shifts, so shifts may be late, early, or harsh.
Check the fluid level and condition, test the solenoid and its wiring.
Harsh or mistimed shifts can damage the transmission. Get it checked soon.
Avoid driving until it is checked — towing is the safer choice. Harsh or mistimed shifts can damage the transmission. Get it checked soon.
The most common causes are: Failed timing solenoid; Damaged wiring; Low transmission fluid; Clogged filter. A scan tool and a visual check of the parts above is where a technician starts.
Check the fluid level and condition, test the solenoid and its wiring.
