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Home >> Infiniti >> 2003 >> I35 >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0222: TP Sensor 1 Circuit Low Input Or DTC P0223: TP Sensor 1 Circuit High Input >> Possible Causes
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Possible Causes

DTC P0221 will set when rationally incorrect voltage is sent to ECM from TP sensor No. 1 and TP sensor No. 2. DTC P0222 will set when an excessively low voltage is sent to ECM from TP sensor No. 1. DTC P0223 will set when an excessively high voltage is sent to ECM from TP sensor No. 1. Possible causes are:

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