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Home >> Volvo >> 2000 >> S70 GLT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - Turbo >> Diagnostic Tests >> P1528/ECM-91CF: Engine Control Module Internal Fault >> Fault Conditions
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Fault Conditions

Electronic throttle module has registered that cruise control is active despite brake light switch being closed. ECM-91CF is stored in ECM.

No substitute value is used but certain systems are disabled. Cruise control cannot be activated and accelerator pedal is ignored when braking.

Electronic Throttle System (ETS) Warning Light is lit while ECM-91B7 is set.