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 car's gear stick. It's like when a toy's remote control doesn't work right because the buttons are stuck or not connecting properly.
The P1819 code indicates an issue with the electrical circuit related to the gear selector lever, which may not be functioning within its expected range or performance.
The P1819 code is triggered when the Transmission Control Module (TCM) detects a malfunction in the gear selector lever circuit. This could be due to a range or performance issue, indicating that the signals from the gear selector are not being received correctly by the TCM.
• Check Engine Light illuminated
• Difficulty shifting gears
• Transmission stuck in one gear
• Faulty gear selector lever
• Damaged or corroded wiring or connectors
• Malfunctioning Transmission Control Module (TCM)
Gear Selector Lever: The mechanism used to change gears in a vehicle.
Transmission Control Module (TCM): An electronic component that controls the transmission's functions.
• Scan the vehicle for additional trouble codes.
• Inspect the gear selector lever and its wiring for damage.
• Test the Transmission Control Module (TCM) for faults.
• Replace or repair the gear selector lever.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the Transmission Control Module (TCM) if necessary.
• OBD-II scanner
• Multimeter
• Screwdriver set
$150 - $500
Moderate
• Chevrolet Malibu
• Ford Focus
• Honda Accord
• Regularly inspect and maintain transmission components.
• Avoid harsh driving conditions that may stress the transmission.
• Ensure timely servicing of the vehicle's electrical system.
Transmission Performance Issue
• Avoid driving the vehicle if gear shifting is problematic.
• Consult a professional mechanic for a thorough diagnosis.
Check the vehicle's powertrain warranty for coverage on transmission components.
This code has been associated with gear selector issues in automatic transmissions, particularly in vehicles with electronic gear selection systems.
Moderate – Address the issue soon to avoid potential transmission damage.
Ignoring transmission issues can lead to unsafe driving conditions. Always ensure your vehicle is in proper working order.
• Vehicle must be in a safe, stationary position.
• Ensure all electrical connections are intact before testing.
The gear selector lever is typically located in the center console or on the steering column, depending on the vehicle model.
Q: Can I drive with a P1819 code?
A: It's not recommended to drive with this code as it may lead to transmission issues. Have it checked by a mechanic.
Q: How can I prevent this code from occurring?
A: Regular maintenance and inspection of the transmission system can help prevent this code.
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