Citroen Sm U2478 Engine Trouble Code
Citroen Sm U2478 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.
Citroen Sm U2478 Code Meaning :
OBD-II Diagnostic Network (U) Trouble Code For Engine
Fuel And Air Metering (Injector Circuit Malfunctions Only)
Engine Oil Temperature Sensor Malfunction
Cylinder 10 Contribution/balance Fault
Exhaust Gas Recirculation Sensor B Circuit High

When you check Citroen Sm car engine light came on code U2478 the reason should be . However manufacturer may have a different definition for the U2478 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.
U2478 OBD-II Diagnostic Network (U) Trouble Code Description
U2478 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.Reason For U2478 Code
The reason of U2478 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.U2478 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.
U2477 Previous Engine Trouble Code For Citroen Sm | Next Engine Trouble Code For Citroen Sm U2479 |