B3948 Engine Code Repair
Meaning of B3948 engine trouble code is a kind of body trouble code and when your car's 'B3948 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.
B3948 Fault Symptoms :
- Check engine light comes on
- Engine stalling or misfiring
- Engine performance issues
- Car not starting
If one of these reasons for B3948 code is occuring now you should check B3948 repair processes.
Now don't ask yourself; What should you do with B3948 code ?
The solution is here :
B3948 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.
B3948 Code Meaning :
B
OBD-II Diagnostic Body (B) Trouble Code For Engine
3
Ignition System Or Misfire
9
Engine Oil Temperature Sensor Malfunction
4
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
8
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.
B3948 OBD-II Diagnostic Body (B) Trouble Code DescriptionB3948 engine trouble code is about Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical.Main reason For B3948 CodeThe reason of B3948 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction. |
B3948 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.