Control unit The supply voltage has been below 20 V. As long as the voltage is below 20 V, solenoid valves will not be activated. The ones that had already been activated will remain so. The fault code is only generated when the engine speed is above 400 rpm. Therefore not during the starting procedure.
â–¶ How to fix
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What you'll see
No driver-visible symptom recorded.
System reaction
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Diagnostic depth
Detection
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Possible cause
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