Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Fault-tracing information
- The control module is unable to run the reference phase to test the leak diagnostic unit. This may be because the conditions for starting the quick test of the fuel tank system have not been met, that the fault occurred during fault-tracing or that the fault existed before the fault-tracing began. Check that the hoses, connectors and components etc have been correctly reinstalled. Check that they are not damaged.
HINT: Cancel fault-tracing for this fault. Then read off diagnostic trouble codes (DTCs) from the vehicle communication socket. Fault trace any other diagnostic trouble codes (DTCs) stored in the control module.
- Remedy as necessary.
Select a suitable alternative to continue:
- Start this fault-tracing from the beginning again
Refer to Checking other diagnostic trouble codes (DTCs), engine control module (ECM)
- Cancel fault-tracing for this fault.
OKAY: Troubleshooting has been completed.
- Start this fault-tracing from the beginning again
- The control module has detected leakage in the fuel tank system. This may be because the fault existed before the fault-tracing was begun or that the fault occurred during the fault tracing. The fault is not relevant for this diagnostic trouble code (DTC) test.
HINT: Check that the hoses, components etc have been correctly reinstalled. Check that they are not damaged.
- Remedy as necessary.
Select a suitable alternative to continue:
- Start this fault-tracing from the beginning again
Refer to Checking other diagnostic trouble codes (DTCs), engine control module (ECM)
- Fault trace for leakage in the fuel tank system
Refer to Leakage
- Finish fault-tracing.
OKAY: Troubleshooting has been completed.
- Start this fault-tracing from the beginning again
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.