The ECU 128 trouble code on Freightliner trucks typically indicates an engine problem. When Code 128 appears on the display, it means that the engine control system has detected a malfunction or fault in the engine.
Common causes of the ECU 128 code on Freightliner trucks include
- Oil pressure sensor fault: A faulty oil pressure sensor can trigger a Fault Code 128 in the engine control system.
- Engine coolant temperature sensor fault: A faulty engine coolant temperature sensor can result in ECU fault code 128.
- Throttle position sensor fault: A malfunctioning throttle position sensor can cause the engine control system to generate ECU error code 128.
- Air pressure sensor fault: A faulty air pressure sensor can cause the engine control system to generate ECU code 128.
- Fuel injection system fault: If there is a problem with the fuel injection system, the engine control unit may generate fault code 128.
- Engine electronic control unit fault: A faulty engine electronic control unit can cause the engine control system to generate ECU code 128.
If you encounter an ECU 128 code on your Freightliner truck, it is advisable to contact an authorised Freightliner service centre. They have the expertise to diagnose and resolve the problem effectively.
