contact_supportDiagnostic Trouble Code (DTC)
What is a Diagnostic Trouble Code
The engine control system in your car can - up to a certain point - diagnose problems that may be affecting your vehicle's emissions or engine performance. When some trouble is detected, the system returns a certain code, indicating the nature of the issue. The code returned is called a Diagnostic Trouble Code or DTC.
How is a DTC formed?
A DTC contains 5 digits, as shown below.
Each digit has a specific meaning.
- P - Powertrain (Engine & Transmission)
- B - Body (Includes A/C & Airbags)
- C - Chassis (Includes ABS)
- U - Network / Bus
- 0 - Generic
- 1 - Vehicle Specific
- 1 - Fuel & Air metering
- 2 - Fuel & Air metering (Injector circuit)
- 3 - Ignition System or Misfire
- 4 - Auxiliary Emission Controls
- 5 - Vehicle Speed Control & Idle Control System
- 6 - Computer Output Circuit
- 7, 8, 9 - Transmission
- A, B, C - Hybrid propulsion
- Fault Description
DTC: U0609 - That's a Network/Bus issue, generic in nature (not specific to this vehicle). It concerns the computer output circuit. Its classification is "09", which matches a specific error description that will most likely help you find out what's wrong with your vehicle.