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
Use the following information and general checks during fault-tracing.
Check that the fuses are intact.
- Check, if possible, relevant functions in the vehicle using buttons/controls/test drives to determine the status of the fault.NOTE:
If the vehicle does not show any of the given symptoms in the diagnostic trouble code information (DTC), this may mean that the fault is intermittent or that the control module is not detecting the fault at this moment.
- Use the diagnostic trouble code's frozen values , status identifiers and counter to determine the operating conditions when the fault was detected, the fault's current status and any degree of intermittence of the fault.
- Check and fault-trace according to the fault causes that are specified in the diagnostic trouble code (DTC) information .
- Use VIDA Vehicle communication . Read off the parameters, activate components and functions, carry out quick tests and checking routines for the diagnostic trouble codes to identify the fault.
- Check relevant components according to Component specifications .
- Check relevant signals using wiring diagram , signal specification and breakout box .
Remedy as necessary.
Other information
- see SIGNAL SPECIFICATION
- see LOCATION OF COMPONENTS
- see CHECKING THE SUPPLY VOLTAGE/GROUND TERMINAL
- see DESCRIPTION OF FROZEN VALUES
- see DESCRIPTION OF STATUS IDENTIFIER
- see DESCRIPTION OF COUNTER
Repair
Use the Manual With the Right Hardware
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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.
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