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.
DTC Description
The PCM monitors the temperature difference between MAX and MIN IATS in order to detect movement in the IATS during Start Test and Drive Test, while operating under Enable Conditions (shown in DTC DETECTING CONDITION CHART). If the PCM detects that the intake air temperature changes less than 3°C (5.4 °F), the PCM determines that a fault exists and a DTC is stored. The MIL (Malfunction Indication Lamp) turns on when the malfunction lasts for 2 consecutive driving cycles.
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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.