Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer is noticing a problem with how the engine and the transmission are working together. It's like when two people are supposed to be dancing in sync, but one is out of step.
The P1772 code indicates a mismatch between the turbine speed and engine speed when the transmission is in 'D' (Drive) range.
The P1772 code is triggered when the Powertrain Control Module (PCM) detects a discrepancy between the expected turbine speed and the actual engine speed while the vehicle is in Drive. This can indicate issues with the transmission's ability to properly engage or disengage gears.
• Check Engine Light is on
• Transmission slipping
• Poor fuel economy
• Faulty transmission speed sensor
• Malfunctioning transmission control module
• Wiring issues or poor connections
PCM: Powertrain Control Module
OBD-II: On-Board Diagnostics II
• Check for any other diagnostic trouble codes.
• Inspect the transmission speed sensor and its wiring.
• Test the transmission control module for faults.
• Replace faulty transmission speed sensor.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the transmission control module.
• OBD-II scanner
• Multimeter
• Basic hand tools
$200 - $800
Moderate
• Nissan Altima
• Ford F-150
• Toyota Camry
• Regular transmission fluid changes
• Routine vehicle maintenance
• Check and secure electrical connections
Transmission Performance
• Avoid hard acceleration until repaired.
• Seek professional diagnosis if unsure.
• Monitor for worsening symptoms.
Check with your vehicle manufacturer for warranty coverage on transmission components.
This code has been associated with transmission issues in vehicles with high mileage or poor maintenance history.
Moderate – Address promptly to avoid potential transmission damage.
Driving with transmission issues can lead to unsafe driving conditions. Address the issue as soon as possible.
• Vehicle in Drive
• Engine at operating temperature
The transmission speed sensor is typically located on the transmission housing.
Q: Can I drive with a P1772 code?
A: It's not recommended to drive for extended periods with this code as it can lead to further transmission damage.
Q: Will a P1772 code affect my fuel economy?
A: Yes, a malfunctioning transmission can lead to poor fuel economy.
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