P0085 Code - Exhaust Valve Control Solenoid Circuit Low Bank 2

What Does P0085 Mean?

P0085 is a OBD2 generic code that means the ECM has detected a fault in the solenoid control circuit for bank 2 exhaust valve. This code is triggered when the ECU tries to control the variable valve timing system and sends a signal to the bank 2 solenoid The solenoid performance is found to be out of range with high voltage in the circuit.

When the Check Engine Light is set the ECM puts the vehicle into a failsafe mode, this disables the variable valve timing.

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What are the common causes of P0085 ?

Potential causes of a P0085 diagnostic trouble code may include:

• Wire harness shorted to ground
• Solenoid shorted to ground
• Faulty ECM

How do you troubleshoot P0085 ?

If the scan tool has that capability, and the scan tool can operate the IMRC valves, then the problem is either resolved and a simple code clearing is all that's left or a new PCM would be called for. Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.

Process Tips

Diagnostic trouble code P0085 is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.

Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before P0085.

Fortunately, P0085 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

Searches related to P0085

• exhaust valve control solenoid
• p0087