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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1168 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) >> Diagnostic Information and Procedures >> DTC P1810: Invalid State Of The TFP Manual Valve Position Switch Circuit >> Conditions for Setting the DTC >> Condition 1

Condition 1

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The PCM detects an invalid TFP manual valve position switch state for 60 seconds.