Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with the sensor that tells the car's computer what gear the transmission is in. It's like when you can't tell if a light switch is on or off because the switch is broken.
The Transmission Range Control A Position Sensor/Switch is responsible for informing the vehicle's computer of the current gear position. An open circuit or fault in this sensor means the computer can't accurately determine the gear.
The P27EB code indicates an issue with the Transmission Range Control A Position Sensor/Switch circuit. This sensor is crucial for the transmission control module (TCM) to determine the correct gear position. An open circuit may result from wiring issues, a faulty sensor, or a disconnected connector, leading to transmission performance issues.
• Check Engine Light is on
• Transmission may not shift properly
• Vehicle may not start or move
• Faulty transmission range sensor
• Open or shorted wiring in the sensor circuit
• Poor electrical connection at the sensor
Transmission: A system in a vehicle that transmits power from the engine to the wheels.
Sensor: A device that detects or measures a physical property and records, indicates, or otherwise responds to it.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage or disconnection.
• Test the transmission range sensor for proper operation.
• Replace the faulty transmission range sensor.
• Repair or replace damaged wiring or connectors.
• Clear the code and test drive the vehicle to ensure the issue is resolved.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $400
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect wiring and connectors for damage.
• Perform routine maintenance on the transmission.
• Use quality replacement parts for repairs.
Sensor Issue
• Do not ignore the Check Engine Light; address the issue promptly.
• Avoid driving the vehicle if it exhibits shifting problems.
• Consult a professional mechanic if unsure about repairs.
Check if the vehicle's powertrain warranty covers transmission components.
This code has been reported in vehicles with high mileage or those that have experienced transmission repairs.
Moderate – While the vehicle may still operate, improper gear shifting can lead to further transmission damage.
Driving with a faulty transmission sensor may lead to unexpected vehicle behavior, posing safety risks.
• Vehicle must be in a safe area to test gear shifting.
• Ensure the engine is off before inspecting electrical components.
The transmission range sensor is typically located on the transmission housing, near the gear selector linkage.
Q: Can I drive with a P27EB code?
A: It's not recommended as it may cause shifting issues and potential further damage.
Q: How do I reset the Check Engine Light after fixing the issue?
A: Use an OBD-II scanner to clear the code after repairs are completed.
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