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 P0222: Notes

DTC P0222 DETECTION CONDITION AND POSSIBLE CAUSES

DTC P0222

TP sensor No. circuit low input

DETECTION CONDITION

If PCM detects that the TP sensor No. voltage is below 0.2 V after the ignition switch to the ON position, the PCM determines that TP circuit has a malfunction.

Diagnostic support note

This is a continuous monitor (CCM).
MIL illuminates if the PCM detects the above malfunction conditions in first drive cycles.
FREEZE FRAME DATA is available.
DTCs are stored in the PCM memory.

POSSIBLE CAUSE

TP sensor malfunction
Connector or terminal malfunction
Open circuit between throttle body terminal C and PCM terminal 3J
Short to ground between throttle body terminal C and PCM terminal 3J
Open circuit between throttle body terminal B and PCM terminal 3P
Short to ground between throttle body terminal B and PCM terminal 3P
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.