P1731
A/T 1st Engine Braking
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Erratic gear shifting
- Reduced engine braking efficiency
- Check Engine Light Illuminates
- Problems with acceleration in first gear
Causes
- Wheel speed sensor malfunction
- Engine Brake Solenoid Valve Problems
- TCM malfunction
- Wiring harness damage
- Low transmission fluid level
How to Fix
- Check the level and condition of the transmission fluid
- Diagnose the wheel speed sensor
- Check engine brake solenoid valve
- Scan TCM for errors
- Inspect the wiring harness for damage