P0803
Upshift/Skip Shift Solenoid Control Circuit
P0803 is an OBD-II diagnostic trouble code meaning: Upshift/Skip Shift Solenoid Control Circuit. Common causes: open or short circuit in solenoid control circuit, shift solenoid malfunction. Estimated repair cost: $17–89.
Symptoms
- Incorrect gear shifting
- Check Engine light comes on
- The gearbox goes into emergency mode
- Skipping gears when shifting
- Reduced vehicle dynamics
Causes
- Open or short circuit in solenoid control circuit
- Shift solenoid malfunction
- Wiring Harness Problems
- Transmission control module (TCM) malfunction
- Poor contact in connectors
How to Fix
- Check the integrity of the solenoid control circuit
- Check solenoid resistance
- Inspect the wiring harness and connectors for damage.
- If necessary, replace the solenoid
- Check and, if necessary, replace the transmission control module
Related codes
Error P0803 by Vehicle Brand
FAQ
What does the P0803 code mean?
P0803 is an OBD-II diagnostic trouble code that indicates: Upshift/Skip Shift Solenoid Control Circuit
What causes a P0803 error code?
The most common causes of P0803 include: Open or short circuit in solenoid control circuit; Shift solenoid malfunction; Wiring Harness Problems; Transmission control module (TCM) malfunction.
How do I fix a P0803 diagnostic trouble code?
To fix P0803: Check the integrity of the solenoid control circuit. Check solenoid resistance. Inspect the wiring harness and connectors for damage.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0803?
Limited driving only, diagnose soon
How much does it cost to fix P0803?
The estimated repair cost for P0803 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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