939010161 - Y045 P0503 VEHICLE SPEED INCONSISTENCY

The diagnostic equipment signals: Error P0503 (vehicle speed inconsistency).
This error is detected if the junction unit does not receive the vehicle speed signal or the fuel consumption is too high compared with the power produced.
1Error deletionALL OKPROBLEMS ENCOUNTEREDACTION
Press the START/STOP button to turn off the engine and then press is again.In the system: Diesel EDC16C39 electronic injection system, delete the errors.Move on to Step 2
2road testsALL OKPROBLEMS ENCOUNTEREDACTION
Drive the vehicle in different driving conditions (engine speed and engine load) for a long stretch.Listen out for any unusual noises and other system irregularities.Read the fault codes and record them together with the status after the road test and check that the following error is no longer present: P0503 - Vehicle speed inconsistencyEnd of diagnosis1. The engine is not running smoothly1. Proceed as instructed in the    See table D003 ENGINE NOT RUNNING SMOOTHLY / (IRREGULAR OPERATION)
2. The engine is losing power2. Proceed as instructed in the    See table D004 ENGINE NOT RUNNING SMOOTHLY
3. The engine does not produce maximum performance3. Proceed as instructed in the    See table D005 ENGINE DOES NOT PRODUCE BEST PERFORMANCE
4. The engine response is poor4. Proceed as instructed in the    See table D016 POOR ENGINE RESPONSE
5. There is engine knock5. Proceed as instructed in the    See table S003 ENGINE KNOCKING
6. Error P0503 is present6. Proceed as instructed in the    See Test 3340AB SPEED SIGNAL CHECK