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P0564 Cruise Control Multi-Function Input Fault - Vectra C SRi Diagnosis and Troubleshooting

Model: Vectra C Fault Code: P0564 Posted: 2012-12-15 13:22

I recently received a P0564 diagnostic code on my Vectra C SRi, indicating a 'Cruise Control Multi-Function Input Signal' fault. I've already performed the pedal test but am unsure what this means or which components to inspect next. Can anyone provide clarity on what causes this error and what specific checks should be carried out? Any technical insights would be greatly appreciated.

Related fault codes
P0564
Comments (1)
Anonymous 2012-12-16 05:11

Thanks for sharing - this is a common issue with Vectra C SRi models. The P0564 code typically points to a faulty input signal from the cruise control system, often related to the throttle position sensor or wiring harness. Check the connections at the pedal and ensure proper grounding. A scan tool can help verify if the signal is intermittent or consistently failing.