If your microcar displays engine error codes, it can be worrying – but it doesn’t always indicate a serious problem. Here, we go through the most common error codes for Lombardini engines LDW492 DCI, HDI 480, and SOHC 550, which are used in several popular microcar models from Ligier, Microcar, Chatenet, Casalini, JDM & Grecav.
Which Microcars Use Lombardini 492 / 480 / 550?
These engines may be found in the following microcar models:
- Ligier: JS50, JS50L, JS60, IXO, JS RC, X-Too
- Microcar: MGO6, MGO4, MGO3, MGO2, MGO1, M8, Due 6, Due 3
- Chatenet: CH46, CH40, CH28
- Casalini: M20
- JDM: Roxsy, Aloes
- Grecav: Sonique
Complete List of Error Codes – Lombardini LDW492 DCI / HDI 480
Below are the most common error codes that appear when diagnosing the engine:
- 0088: Rail Pressure too High
- 0089: Rail Pressure control
- 0115: Engine water temperature sensor diagnosis
- 0190: Rail pressure sensor electrical failure
- 0201: Injector 1 open circuit diagnosis
- 0202: Injector 2 open circuit diagnosis
- 0216: Injector/injection timing control circuit
- 0220: Accelerator 1 potentiometer sensor diagnosis
- 0221: Accelerator 2 potentiometer sensor diagnosis
- 0230: Fuel pump command diagnosis
- 02EE: Injector 1/2 short circuit diagnosis
- 0335: Engine speed sensor diagnosis
- 0381: Glow plug lamp diagnosis
- 0480: Fan1 relay command diagnosis
- 0500: Vehicle speed sensor diagnosis
- 0504: Brake switch consistency test
- 0520: Oil switch sensor diagnosis
- 0522: Engine Oil pressure sensor/switch low
- 0560: Battery voltage diagnosis
- 0561: Voltage regulator diagnosis
- 0562: Main relay sensing diagnosis
- 0563: Main relay diagnosis
- 0601: Checksum E2PROM diagnosis
- 0604: RAM diagnosis
- 0605: ROM diagnosis
- 0606: CPU diagnosis
- 0612: Load disable for safety diagnosis
- 0621: Alternator command (HSD) diagnosis
- 0623: Alternator lamp diagnosis
- 0641: Sensor supply 1 diagnosis
- 0645: A/C relay command diagnosis
- 0650: Warning lamp diagnosis
- 0651: Sensor supply 2 diagnosis
- 0654: Engine speed repetition for dashboard
- 0655: Engine water over temperature lamp command diagnosis
- 0683: Glow-plug relay command diagnosis
- 0685: Powertrain main relay command diagnosis
- 0778: Rail pressure regulator diagnosis
- 0812: Reverse gear switch input circuit
- 0850: Neutral switch input circuit
- 1222: Accelerator sensors consistency test
- 1602: A/D converter diagnosis
- 1610: Safety 3 diagnosis
- 1612: Safety 2 diagnosis
- 2146: Voltage capacitor launch injectors (VBoost)
- 2226: Atmospheric pressure sensor diagnosis
- 2264: Water in fuel sensor presence diagnosis
Troubleshooting and Action
If you encounter any of these error codes, we recommend the following steps:
- Read the error code using a diagnostic tool, or have an authorized workshop check the engine in your microcar.
- Identify the affected system: fuel, cooling, sensors, electrical, etc.
- Inspect wiring and connectors.
- Replace faulty components – see our spare parts selection for your model.
- Clear the error code and retest.
Common Parts That May Need Replacement
- Fuel pressure sensor
- Starter relay / main relay
- Crankshaft sensor (Engine Speed Sensor)
- Water & temperature sensors
- Glow plugs and relay