OBD-II Generic Error Code P0927: How to Fix It

Q: Can I still drive my car with a P0927 code?

In many cases, yes — but with caution. If the shifter still moves normally when you press the brake pedal, driving is possible for a short time. However, if the shift lock is disabled, the safety interlock preventing unintended gear shifts may not be functioning correctly, which is a safety risk. It is best to diagnose and repair P0927 as soon as possible rather than ignoring it.

Q: What is a gear shift lock actuator?

The gear shift lock actuator (also called the shift interlock solenoid or BTSI solenoid) is a small electromagnetic solenoid mounted near the gear selector. When you press the brake pedal, the PCM or a dedicated module sends power to this solenoid, which releases a physical locking pin and allows you to move the shifter out of Park. Without it working, the shifter stays locked in Park as a safety measure.

Q: How much does it cost to fix a P0927 code?

If only a fuse needs replacement, the cost is under $5. A new shift lock actuator (solenoid) typically costs between $15 and $80 for the part depending on the vehicle. Labor at a shop to access and replace the actuator in the center console usually runs 1 to 2 hours, bringing a professional repair estimate to roughly $100–$250 in most cases. Wiring repairs or a PCM/TCM fault will cost more.

Q: Why does P0927 come back after I clear it?

If P0927 returns after clearing, the underlying problem has not been fixed. Common reasons include a faulty actuator that intermittently fails, an unrepaired wiring issue such as a chafed wire that makes contact under certain conditions, a failed relay in the circuit, or in rare cases a faulty PCM/TCM output driver. Performing all the wiring and component tests outlined in this guide will help identify the root cause.

Q: Is P0927 the same on all vehicles?

The P0927 code definition — gear shift lock actuator circuit — is standardized across OBD-II compliant vehicles (1996 and newer). However, the exact component location, wiring diagrams, actuator resistance specifications, and access procedures vary significantly by make and model. Always consult a vehicle-specific service manual or a trusted online repair database for your exact vehicle before starting repairs.

Abstract

The OBD-II diagnostic trouble code P0927 indicates a problem with the gear shift lock actuator circuit — a safety component that prevents the transmission shifter from being moved out of Park without the brake pedal depressed. This fault can mean the actuator itself has failed, a wiring harness is damaged, or a fuse or relay in the circuit has blown. If left unrepaired, it may cause the shifter to become stuck in Park or, in some cases, allow the car to be shifted without the brake engaged, which is a safety concern.