P0803 Cadillac Code - Skip Shift Solenoid Control Circuit
Quick Answer
The P0803 diagnostic trouble code (DTC) for Cadillac vehicles indicates a problem with the Skip Shift Solenoid Control Circuit. Common causes include Faulty Skip Shift Solenoid, Damaged or corroded wiring/connectors in the control circuit, ECM or TCM malfunction. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0803 Cadillac indicates Skip Shift Solenoid Control Circuit.
- Common causes
- Common causes include Faulty Skip Shift Solenoid, Damaged or corroded wiring/connectors in the control circuit, ECM or TCM malfunction.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P0803 Cadillac Description
The P0803 diagnostic trouble code (DTC) for Cadillac vehicles indicates a problem with the Skip Shift Solenoid Control Circuit. The Skip Shift Solenoid is a component of the transmission system that helps to improve fuel efficiency in certain driving conditions. This solenoid is responsible for engaging and disengaging the skip shift feature, which temporarily prevents shifting from 1st to 4th gear under light acceleration to reduce fuel consumption.
Common Causes of P0803 Cadillac
- Faulty Skip Shift Solenoid
- Damaged or corroded wiring/connectors in the control circuit
- ECM or TCM malfunction
- Low transmission fluid levels
- Electrical issues such as a blown fuse or short circuit
Symptoms of P0803 Cadillac
- Check engine light illuminated on the dashboard
- Difficulty shifting gears, especially from 1st to 4th gear
- Reduced fuel efficiency
- Transmission slipping or sticking in a particular gear
- Rough or jerky shifting
How to Fix P0803 Cadillac
- Diagnose the issue: Use a scan tool to retrieve the trouble codes and pinpoint the source of the problem. Check the Skip Shift Solenoid, wiring, connectors, and ECM/TCM for any visible damage.
- Replace the Skip Shift Solenoid: If the solenoid is faulty, it will need to be replaced. This may involve removing other components to access the solenoid, depending on the vehicle's configuration.
- Repair or replace damaged wiring/connectors: If wiring or connectors are damaged, repair or replace them as needed to ensure proper electrical connections.
- Reset the ECM/TCM: After making repairs, reset the ECM or TCM to clear the trouble codes and reset the transmission adaptations.
- Test drive and recheck: Take the vehicle for a test drive to ensure that the transmission shifts smoothly and the skip shift feature operates correctly. Recheck for any remaining trouble codes.
Cost to Fix P0803 Cadillac
The cost of repairing a Skip Shift Solenoid Control Circuit issue can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the cost of parts for a new Skip Shift Solenoid can range from $100 to $300, while labor costs can add another $100 to $200 to the total repair bill. Overall, the total cost of repairing a P0803 code for a Cadillac vehicle may range from $200 to $500, including parts and labor.
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