• Warning light on the dashboard
• Intermittent electrical issues
• Loss of certain vehicle functions
• Faulty switch module
• Damaged or corroded wiring/connectors
• Network communication issues
OBD-II: On-Board Diagnostics, a standardized system for self-diagnostics in vehicles.
CAN: Controller Area Network, a vehicle bus standard designed to allow microcontrollers and devices to communicate with each other.
• U0100
• U0140
This code means that one part of the car's computer system is having trouble talking to another part. It's like when two friends are trying to talk but their phones aren't working.
The U0626 code indicates a communication failure with a specific module in the vehicle's network.
U0626 is a diagnostic trouble code that signifies a loss of communication with the vehicle's 'Switch Module.' This module is part of the vehicle's Controller Area Network (CAN) and is crucial for various control operations.
• Check for other related codes
• Inspect wiring and connectors for damage
• Test the switch module for proper operation
• Repair or replace damaged wiring/connectors
• Replace the faulty switch module
• Clear the code and test drive the vehicle
• OBD-II scanner
• Multimeter
• Wiring diagram
$150 - $500
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regular maintenance checks
• Ensure connectors are secure
• Avoid exposure to moisture
Communication Error
• Have the vehicle inspected by a professional
• Do not ignore the warning light
• Keep a record of any recurring issues
Check your vehicle's warranty for coverage on electronic components.
U0626 has been reported in various models with increasing frequency as vehicles become more reliant on electronic communication.
Moderate – Address the issue soon to prevent further complications.
Ignoring this code may lead to loss of vehicle functionality and could compromise safety.
• Vehicle in ignition ON position
• Modules powered and active
The switch module is typically located within the dashboard or near the steering column.
Q: Can I drive with a U0626 code?
A: It's possible, but not recommended. The vehicle may experience loss of certain functions.
Q: How do I clear a U0626 code?
A: After repairs, use an OBD-II scanner to clear the code, then test drive the vehicle to ensure it doesn't return.
