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June 29th 2025

P1644 / JAGUAR

Fuel Pump Speed Control Circuit Malfunction

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June 29th 2025

P1644 / GENERIC

Fuel Pump Speed Control Circuit Malfunction

Notes:

June 29th 2025

P1644 / CHEVROLET

Traction Control Delivered Torque Output Circuit

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June 29th 2025

P1644 / CADILLAC

TP Output Circuit

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June 29th 2025

P1644 / BUICK

TP Output Circuit

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June 29th 2025

P1644 / AUDI

Please check DTC Memory of clutch ECU

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NOTE: Results from this database are the beginning of the diagnostic process, further investigation should be performed to confirm results before you begin repairs.