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.
Circuit Description
The powertrain interface module (PIM) receives information from the powertrain control module (PCM) on the Class II serial data circuit. This information contains the current fuel level and the status of this information, is either valid or invalid. If the PCM detects a problem with the fuel level sensor information it will set a DTC P0461, P0462 or P0463. If DTC P0461, P0462 or P0463 are set in the PCM, the status of the fuel level information sent to the PIM from the PCM will be invalid, this will cause DTC B0575 Fuel Level Indicator Circuit to be set.
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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.