Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means the car's computer is having trouble understanding the signals from the transmission, which helps the car move. It's like trying to listen to a radio station with a lot of static.
The code indicates a problem with the feedback signal from the transmission, which is communicated over the FA-CAN network. This signal is crucial for the car's computer to understand how the transmission is performing.
P17BB is triggered when the vehicle's control module detects an incorrect or faulty feedback signal from the transmission over the FA-CAN (Functional Area Controller Area Network). This network is used to communicate important data between different modules in the vehicle. A faulty signal can affect the transmission's ability to operate efficiently, leading to performance issues.
• Check Engine Light is on
• Transmission slipping or not shifting properly
• Decreased fuel efficiency
• Faulty transmission control module
• Damaged or corroded wiring/connectors
• Malfunctioning sensors within the transmission
FA-CAN: Functional Area Controller Area Network, a communication network in vehicles
Transmission Control Module: An electronic device that manages transmission functions
• Perform a visual inspection of wiring and connectors related to the transmission
• Use a scan tool to check for additional codes and monitor live data
• Test the transmission control module and sensors for proper operation
• Repair or replace damaged wiring/connectors
• Replace faulty sensors
• Reprogram or replace the transmission control module
• OBD-II scan tool
• Multimeter
• Wiring diagram for the vehicle
$200 - $1000
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regular maintenance of the transmission
• Ensure all electrical connections are secure and free of corrosion
• Use the correct transmission fluid as specified by the manufacturer
Transmission Performance Issue
• Avoid driving the vehicle aggressively until the issue is resolved
• Consult with a professional mechanic for diagnosis and repair
Check with the vehicle manufacturer to see if the transmission or related components are covered under warranty.
This code has been associated with vehicles experiencing transmission performance issues due to electronic communication faults.
Moderate – While the vehicle may still be drivable, it can lead to further transmission damage if not addressed promptly.
Driving with a faulty transmission can be dangerous and may lead to further damage. Address this issue as soon as possible.
• Vehicle engine running
• Transmission in drive mode
The transmission control module is typically located near the transmission or within the engine bay, depending on the vehicle model.
Q: Can I drive my car with a P17BB code?
A: It's not recommended to drive for long distances with this code, as it can lead to further transmission damage.
Q: How do I clear a P17BB code?
A: After repairs, the code can be cleared using an OBD-II scan tool. However, if the issue isn't resolved, the code will return.
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