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B0155 Engine Code Repair

Meaning of B0155 engine trouble code is a kind of body trouble code and B0155 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,200. Taking your car into a shop will cost you around $210 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

B0155 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 B0155 code is occuring now you should check B0155 repair processes.
Now don't ask yourself; What should you do with B0155 code ?
The solution is here :

B0155 Possible Solution:

B0155 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.

B0155 Code Meaning :

B 0 1 5 5
OBD-II Diagnostic Body (B) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Ambient Air Temperature Sensor Circuit Low Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector) Timing Reference High Resolution Signal A Too Many Pulses

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

B0155 OBD-II Diagnostic Body (B) Trouble Code Description

B0155 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Main reason For B0155 Code

The reason of B0155 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

B0155 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.