Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with a part of the car's computer that helps control the brakes. It's like a switch inside the computer isn't working right.
The C1090 code indicates an electrical issue within the Dynamic Stability Control (DSC) module related to the valve coil 'G'.
The DSC control module is responsible for managing the vehicle's stability and traction by controlling the brakes. The valve coil 'G' is a component within this module that helps regulate hydraulic pressure. An electrical fault in this circuit can affect the module's ability to function correctly.
• ABS warning light on
• Traction control light on
• Loss of stability control functions
• Faulty DSC control module
• Damaged wiring or connectors
• Short or open circuit in the valve coil 'G'
DSC: Dynamic Stability Control
OBD-II: On-Board Diagnostics II
• Perform a visual inspection of the DSC module and wiring.
• Check for any blown fuses related to the DSC system.
• Use a multimeter to test the continuity of the valve coil 'G' circuit.
• Repair or replace damaged wiring or connectors.
• Replace the DSC control module if faulty.
• Clear the code and test drive to ensure the issue is resolved.
• OBD-II scanner
• Multimeter
• Basic hand tools
$200 - $800
Moderate
• BMW 3 Series
• Ford Explorer
• Mazda CX-5
• Regularly inspect and maintain the DSC system.
• Ensure all electrical connections are secure.
• Avoid driving in harsh conditions that may damage the system.
Electrical Issue
• Do not ignore the warning lights on the dashboard.
• Have the vehicle inspected by a professional if unsure about repairs.
Check with the vehicle manufacturer for warranty coverage on the DSC system.
This code has been associated with vehicles that have experienced electrical issues in the DSC system, often due to wear and tear or environmental factors.
Moderate – It is important to address this issue to maintain vehicle safety and stability.
Operating a vehicle with a malfunctioning DSC system can compromise safety. Address the issue promptly.
• Vehicle stationary
• Ignition on, engine off
The DSC control module is typically located under the dashboard or in the engine compartment.
Q: Can I drive with a C1090 code?
A: It's not recommended to drive with this code active, as it may affect vehicle stability and safety.
Q: How do I reset the DSC light?
A: After repairs, use an OBD-II scanner to clear the code and reset the light.
Pro · Four-system diagnostics
A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.
Chassis and ABS faults usually need a scanner that can read brake-system data directly.
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