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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Engine Control System - 4.6L (LH2) - DTC P2138 To P2636) >> DTC P2636 >> Diagnostic Aids

Diagnostic Aids

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The condition may only occur when the fuel level is half full or near empty. The fuel level sensor unit may need to be removed for further diagnosis. A fuel level sensor that has an intermittent condition causes this DTC to set.

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