- D01 ENGINE NOT RUNNING SMOOTHLY / (HESISTANT)
- D02 ENGINE NOT RUNNING SMOOTHLY / (LOSING POWER)
- D03 ENGINE NOT RUNNING SMOOTHLY / (IRREGULAR OPERATION)
- D04 ENGINE NOT RUNNING SMOOTHLY
- D05 ENGINE DOES NOT PRODUCE BEST PERFORMANCE
- D10 ENGINE IDLE IRREGULAR
- D21 ENGINE CUTS OUT WHILST DRIVING
- D25 ENGINE DOES NOT SWITCH TO GAS
- D30 ENGINE OVERHEATING / WITH THE FAN WORKING
- D31 ENGINE OVERHEATING / WITH FAN NOT WORKING
- D32 ELECTRIC FAN COMES ON TOO OFTEN
- D33 ELECTRIC FAN STAYS ON ALL THE TIME
- D35 LOW ENGINE OIL PRESSURE