P2685 OBD-II: Actuator Supply Voltage "C" Circuit Low

P2685 Severity

Urgent

Should you fix P2685 yourself?

Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.

Proper diagnosis will save you time and money on unnecessary repairs.

Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.

P2685 Summary Find a Repair Shop P2685 Details Ask RepairPal CarGenius Other OBD-II Codes

What causes OBD-II fault code P2685?

The transmission uses several actuators to engage an hold gears. If the engine control module (PCM) detects an incorrect signal from the actuator, the PCM will set code P2685.

OBD II Fault Code

OBD II P2685

OBD-II Code Transmission may not shift properly is defined as a Actuator Supply Voltage "C" Circuit Low

The transmission uses several actuators to engage an hold gears. If the engine control module (PCM) detects an incorrect signal from the actuator, the PCM will set code P2685.

Transmission may not shift properly Symptoms

Transmission may not shift properly

Common Problems That Trigger the P2685 Code

Internal transmission failure
Powertrain Control Module (PCM) failure
Transmission actuator failure
Transmission Control Module (TCM) failure
Wiring issue

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Other OBD-II Codes

P2684: Actuator Supply Voltage "C" Circuit/Open P2683: Engine Coolant Bypass Valve Control Circuit High P2682: Engine Coolant Bypass Valve Control Circuit Low P2681: Engine Coolant Bypass Valve Control Circuit/Open P2680: Coolant Degassing Valve Control Circuit High

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OBD II Fault Code

OBD II P2685

OBD-II Code Transmission may not shift properly is defined as a Actuator Supply Voltage "C" Circuit Low

The transmission uses several actuators to engage an hold gears. If the engine control module (PCM) detects an incorrect signal from the actuator, the PCM will set code P2685.

Transmission may not shift properly Symptoms

Transmission may not shift properly

Common Problems That Trigger the P2685 Code

Internal transmission failure
Powertrain Control Module (PCM) failure
Transmission actuator failure
Transmission Control Module (TCM) failure
Wiring issue

P2685 OBD-II: Actuator Supply Voltage "C" Circuit Low

Should you fix P2685 yourself?

What causes OBD-II fault code P2685?

Need a P2685 diagnosis? Trust our experts.

OBD II Fault Code

Transmission may not shift properly Symptoms

Common Problems That Trigger the P2685 Code

Ask our experts about P2685.

Other OBD-II Codes

OBD Code Resources

Need a P2685 diagnosis? Trust our experts.

OBD II Fault Code

Transmission may not shift properly Symptoms

Common Problems That Trigger the P2685 Code