Gear Shift Position Circuit B High

Common symptoms

What you'll notice

• Check the gear shift position sensor for any loose or damaged wiring connections.
• Inspect the gear shift lever and linkage for any obstructions or damage.
• Test the gear shift position sensor using a multimeter to ensure it is functioning properly.
• If all else fails, replace the gear shift position sensor with a new one.

Common causes

Most likely first

1. Faulty gear shift position sensor
2. Loose or damaged wiring or connectors in the gear shift position circuit
3. Faulty transmission control module
4. Low transmission fluid level
5. Malfunctioning shift solenoid

How to diagnose & fix

Work through it in order

1. The gear shift may become stuck in a certain position and not change gears smoothly or at all.
2. The vehicle may not start or may have difficulty starting.
3. The gear indicator on the dashboard may not accurately display the current gear.
4. The vehicle may experience sudden and unexpected shifts in gears while driving.
5. The transmission may fail to engage in any gear, resulting in a complete loss of power to the wheels.