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.

2006 Mazda 6 MazdaspeedFACTORY OEM SERVICE PROCEDURE

DTC P0564: Notes

DTC P0564 DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0564

Cruise control switch circuit malfunction

DETECTION CONDITION

The PCM monitors the cruise control switch signal. If the PCM detects that any one of following switches (Main, CANCEL, SET/COAST, RESUME/ACCEL) remains on for 2 min , the PCM determines that the cruise control switch circuit has a malfunction.

Diagnostic support note

This is a continuous monitor (Other).
MIL does not illuminate.
FREEZE FRAME DATA is not available.
DTCs are stored in PCM memory.

POSSIBLE CAUSE

Cruise control switch malfunction
Connector or terminal malfunction
Short to power circuit in wiring harness from cruise control switch terminal 2 and PCM terminal 3S
Short to ground circuit in wiring harness from cruise control switch terminal 2 and PCM terminal 3S
PCM malfunction

Courtesy of MAZDA MOTORS CORP.

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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.