P0903
Transmission (Continued) — Code P0903
high
i Description
Diagnostic trouble code P0903 relates to the transmission (continued). The vehicle's control module has detected a fault condition in this circuit or system. Consult a manufacturer-specific service manual for detailed information about this code for your particular vehicle.
? Common Causes
- Low transmission fluid
- Faulty solenoid
- Torque converter fault
- Speed sensor failure
! Symptoms
- Harsh shifting
- Slipping gears
- Shudder under load
- Delayed engagement
# Diagnostic Steps
- Check fluid level and condition
- Read transmission-specific codes
- Test solenoid resistance
- Inspect torque converter
⚙ Typical Fix
Diagnose and repair the transmission (continued) fault. Inspect wiring, connectors, and the related component. Replace as necessary.
Parts Needed
Refer to manufacturer service manual for specific parts
Estimated Cost
$300-$2500
↔ Related Codes
Q Frequently Asked Questions
Code P0903 indicates a potentially serious issue with the transmission (continued). Have it diagnosed as soon as possible to avoid further damage or safety concerns.
Repair costs vary depending on the specific cause. For transmission (continued) issues, expect to pay $300-$2500 in Australia, including parts and labour. Get a proper diagnosis before committing to repairs.
☞ Learn More
- What is OBD-II? — Complete guide to your car's diagnostic system
- How to Read DTC Codes — Step-by-step with a Bluetooth scanner
- OBD-II Scanner Buying Guide — Find the best scanner for your car