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P1631 – SUZUKI

Code : P1631
Description : P1631 SUZUKI Theft Deterrent Fuel Enable Signal Not Correct
Possible causes :
– Theft Deterent Module harness is open or shorted
– Theft Deterent Module circuit poor electrical connection
– Faulty Theft Deterent Module (TDM)
– Faulty Engine Control Module (ECM)
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

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