B2838 Engine Code Repair
Meaning of B2838 engine trouble code is a kind of body trouble code and B2838 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 $2,140 and you can't do it yourself unless you're an experienced mechanic.
B2838 Fault Symptoms :
- Check engine light comes on
- Engine stalling or misfiring
- Engine performance issues
- Car not starting
If one of these reasons for B2838 code is occuring now you should check B2838 repair processes.
Now don't ask yourself; What should you do with B2838 code ?
The solution is here :
B2838 Possible Solution:

Air Conditioning Pressure Sensor (ACP) Insufficient Pressure Change Each time the A/C clutch engages, the PCM is looking for a pressure change in the refrigerant. If the change in pressure is outside of the calibration the DTC will set. A/C system mechanical failure Open ACP or VREF circuit A/C sensor damaged A/C system electrical failure A/C clutch always engaged Verify A/C system function, including refrigerant charge.
B2838 Code Meaning :
B
OBD-II Diagnostic Body (B) Trouble Code For Engine
2
Fuel And Air Metering (Injector Circuit Malfunctions Only)
8
Fuel Rail Pressure Sensor Circuit Malfunction
3
Turbocharger Boost Sensor A Circuit Low
8
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.
B2838 OBD-II Diagnostic Body (B) Trouble Code DescriptionB2838 engine trouble code is about Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical.Main reason For B2838 CodeThe reason of B2838 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction. |
B2838 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.