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 has detected a problem with how quickly a part inside the transmission is working. It's like when you press a button and it takes too long to do what it's supposed to do.
The transmission control module (TCM) monitors the time it takes for the friction element H to engage. If this time is outside the expected range, the P273B code is set.
The P273B code is triggered when the TCM detects that the apply time for the friction element H in the transmission is either too fast or too slow compared to the expected performance. This can indicate issues with the hydraulic pressure, solenoid operation, or mechanical components within the transmission.
• Harsh or delayed shifting
• Transmission slipping
• Check Engine Light illuminated
• Faulty transmission solenoid
• Low transmission fluid level
• Hydraulic circuit blockage
Transmission Control Module (TCM): A computer that controls the transmission's operation.
Solenoid: An electromechanical device that controls the flow of fluid in the transmission.
• Check transmission fluid level and condition
• Inspect transmission solenoids and wiring
• Perform a hydraulic pressure test
• Replace faulty solenoid
• Flush and refill transmission fluid
• Repair or replace damaged wiring
• OBD-II scanner
• Transmission fluid pressure gauge
• Multimeter
$200 - $800
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regular transmission fluid changes
• Routine transmission inspections
• Avoid aggressive driving
Transmission Performance Issue
• Have the transmission inspected by a professional
• Avoid driving the vehicle until repaired
• Monitor for any changes in symptoms
Transmission issues may be covered under the powertrain warranty. Check with your vehicle manufacturer.
The P273B code has been associated with vehicles experiencing transmission performance issues, often due to wear and tear or lack of maintenance.
Moderate – It's important to address this issue soon to prevent further transmission damage.
Driving with a transmission issue can be unsafe and may lead to further damage. It is recommended to address the issue promptly.
• Vehicle at operating temperature
• Transmission in drive
The transmission friction element H is located inside the transmission assembly.
Q: Can I drive with a P273B code?
A: It's not recommended to drive with this code as it can lead to further transmission damage.
Q: How can I prevent a P273B code?
A: Regular maintenance and fluid changes can help prevent this code.
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