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P204B Engine Error Code

When you check engine light came on code P204B the reason should be . However your vehicle's manufacturer may have a different definition for the P204B OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on your car models.

P204B Code Symptoms

P204B Code Reason

P204B OBD 2 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.

The firing order is an important part of the overall design of the engine and is determined during the design of the engine to eliminate as much engine vibration as possible. If the firing order is changed or adjusted, the ignition from the spark plug is delivered at the wrong time and the engine functions poorly or does not run. The firing order for a particular engine is typically found in the repair manual specific to that model.

P204B OBD-II Diagnostic Powertrain (P) Trouble Code Description

P204B Reductant Pressure Sensor Circuit Range/Performance so you have to check ODB-II Engine Error Code list.

P204B Code Review :

The reason of P204B OBD-II Engine Error Code is P204B Reductant Pressure Sensor Circuit Range/Performance.

P204B Code Dictionary Meaning:

p - Powertrain Code - Problem is related engine, transmission and emissions systems.
2 - MFG - Manufacturer Specific
0 - Transmission
4 - Control Module Throttle Actuator Position Performance
b - TFP Valve Position Switch-Drive Without Drive Ratio