U048A Engine Code Repair

Meaning of U048A engine trouble code is a kind of network trouble code and when the check engine light comes U048A code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

U048A Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting

If one of these reasons for U048A code is occuring now you should check U048A repair processes.
Now don't ask yourself; What should you do with U048A code ?
The solution is here :

U048A Possible Solution:

U048A Engine

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.

U048A Code Meaning :

OBD-II Diagnostic Network (U) Trouble Code For Engine

Intake Valve Control Solenoid Circuit Low

Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

Cylinder 10 Contribution/balance Fault


The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

U048A OBD-II Diagnostic Network (U) Trouble Code Description

U048A engine trouble code is about .

Main reason For U048A Code

The reason of U048A OBD-II Engine Trouble Code is Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.

U048A 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.