• Warning light on the dashboard
• Intermittent or complete loss of functionality in certain systems
• Erratic vehicle behavior
• Faulty control module
• Wiring issues or loose connections
• Software glitch in the vehicle's computer
CAN: Controller Area Network, a vehicle bus standard designed to allow microcontrollers and devices to communicate with each other.
ECM: Engine Control Module, the computer that controls the engine's operation.
• U0100
• U0121
This code means that a part of the car's computer system is having trouble talking to another part. It's like when two friends can't hear each other on the phone.
There is a communication issue between the car's control modules.
U0588 indicates a communication error on the CAN (Controller Area Network) bus, specifically related to a module that is not responding or sending the expected signals.
• Check for any other related trouble codes
• Inspect wiring and connections for damage or corrosion
• Test the communication lines using a diagnostic tool
• Repair or replace damaged wiring
• Reprogram or update the software of the affected module
• Replace the faulty control module
• OBD-II scanner
• Multimeter
• Wiring diagram
$150 - $500
Moderate
• Ford Focus
• Chevrolet Malibu
• Toyota Camry
• Regular maintenance checks
• Ensure all software updates are applied
• Inspect wiring connections periodically
Communication Error
• Do not ignore warning lights on the dashboard
• Seek professional diagnosis if unsure
• Keep vehicle software up to date
Check with your vehicle manufacturer for warranty coverage on electronic components.
This code has been more prevalent in vehicles with complex electronic systems introduced in the last decade.
Moderate – While the vehicle may still operate, it could lead to further issues if not addressed.
Ignoring this code could lead to safety systems not functioning properly, which may be illegal in some regions.
• Vehicle ignition on
• Engine running
Typically located within the vehicle's main control module or ECM area.
Q: Can I drive with a U0588 code?
A: While you may be able to drive, it's best to address the issue as soon as possible to avoid further complications.
Q: Will this code clear itself?
A: The code may clear temporarily, but if the underlying issue is not resolved, it will likely return.
