P1587
CAN Communication Error MT/AT Recognition Error
Severity
🔴 HighCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)
Symptoms
- The Check Engine light comes on
- Gear shifting problems
- Reduced engine power
- Incorrect operation of the gearbox
- Possible transition to emergency mode
Causes
- Damage to CAN bus wiring
- Transmission control module malfunction
- Problems with the engine ECU
- Corrosion or poor contact in connectors
- Software error in modules
How to Fix
- Check the integrity of the CAN bus wiring
- Diagnose the transmission control module
- Check connections and connectors
- Update ECU software
- Check the engine ECU for errors