Mercedes Cla 45 P509D Engine Trouble Code

When your car's 'Mercedes Cla 45 P509D 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.

Mercedes Cla 45 P509D Code Meaning :

When you check Mercedes Cla 45 car engine light came on code P509D the reason should be . However manufacturer may have a different definition for the P509D OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P509D OBD-II Diagnostic Powertrain (P) Trouble Code Description

P509D engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For P509D Code

The reason of P509D OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

P509D 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.

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