• Malfunctioning dashboard lights
• Inaccurate speedometer readings
• Check engine light is on
• Faulty instrument panel cluster
• Damaged wiring or connectors
• Faulty control module
CAN bus: A robust vehicle bus standard designed to allow microcontrollers and devices to communicate with each other without a host computer.
Instrument Panel Cluster: The display on the dashboard that shows the driver important information like speed, fuel level, and warning lights.
• U0155
• U0140
This code means that the car's computer is having trouble talking to the instrument panel, which is the part of the car that shows you the speed, fuel, and other important information.
The U0622 code indicates a communication error between the vehicle's control module and the instrument panel cluster.
U0622 is a diagnostic trouble code (DTC) that signifies a lost communication with the instrument panel cluster (IPC) control module. This error is typically due to a disruption in the communication network, often the CAN bus, which connects various modules in the vehicle.
• Check for other related DTCs.
• Inspect wiring and connectors for damage.
• Test the instrument panel cluster for faults.
• Repair or replace damaged wiring or connectors.
• Replace faulty instrument panel cluster.
• Reprogram or replace the control module if necessary.
• OBD-II scanner
• Multimeter
• Wiring diagram
$200 - $800
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect and maintain vehicle wiring.
• Avoid moisture exposure to electronic components.
• Use protective covers for connectors.
Communication Error
• Ensure all connectors are securely attached.
• Avoid DIY fixes unless you have proper tools and knowledge.
Check with your vehicle manufacturer, as some communication module issues may be covered under warranty.
Communication errors like U0622 have become more common as vehicles incorporate more electronic systems.
Moderate – While the vehicle may still operate, inaccurate instrument readings can affect driving safety.
Driving with malfunctioning instrument panels can be unsafe and may lead to legal issues if critical information is not displayed.
• Vehicle in ignition ON position.
• Ensure battery is fully charged.
The instrument panel cluster is located on the dashboard, directly in front of the driver.
Q: Can I drive my car with code U0622?
A: While the car may still be drivable, it's not recommended due to potential safety issues with inaccurate instrument readings.
Q: Will resetting the code fix the problem?
A: Resetting the code may temporarily clear the error, but it won't fix the underlying issue causing the communication problem.
