Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This means there's a problem with the car's computer talking to the parts that help the car move. It's like when two friends are trying to talk but their phones aren't working properly.
The code indicates a problem with the communication between the vehicle's control modules over the FA-CAN (Flexible Architecture Controller Area Network) regarding the torque up request signal.
The P17B6 code is triggered when the vehicle's control modules detect an irregular signal or a communication fault in the driveline circuit, specifically related to the torque up request on the FA-CAN network. This could be due to a malfunctioning sensor, wiring issues, or a fault in the control module itself.
• Check Engine Light is on
• Reduced engine performance
• Transmission issues
• Faulty driveline sensor
• Damaged or corroded wiring/connectors
• Malfunctioning control module
FA-CAN: Flexible Architecture Controller Area Network
Torque Up Request: A signal requesting increased engine torque
• Use an OBD-II scanner to confirm the code
• Inspect wiring and connectors for damage or corrosion
• Test the driveline sensor and control module for proper operation
• Replace or repair damaged wiring/connectors
• Replace faulty driveline sensor
• Reprogram or replace control module if necessary
• OBD-II scanner
• Multimeter
• Wiring repair tools
$200 - $600
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regular maintenance checks
• Ensure connectors are clean and secure
• Update vehicle software regularly
Communication Issue
• Avoid driving the vehicle until the issue is fixed to prevent further damage
• Consult a professional mechanic for accurate diagnosis
Check with the vehicle manufacturer for warranty coverage on control module and wiring issues.
This code has been associated with communication issues in vehicles with advanced driveline systems, often due to poor connections or sensor faults.
Moderate – It should be addressed soon to avoid potential drivability issues.
Ignoring this issue could lead to reduced vehicle performance and potential safety hazards.
• Vehicle must be running
• FA-CAN network must be active
The driveline communication components are typically located near the transmission and engine control modules.
Q: Can I drive my car with a P17B6 code?
A: It's not recommended to drive with this code as it may lead to further damage or reduced performance.
Q: How can I prevent this code from appearing?
A: Regular maintenance and ensuring all connections are secure can help prevent this issue.
High-End · Full-system diagnostics
A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.
Network faults often require full-system access instead of a generic code reader alone.
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Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.
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Universal · Wire connectors and repair kit
Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.
Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.
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