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I got the engine code P1636 on my 2000 Mercury Grand Marquis 4.6L

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Cause car to miss and makes traction control light to come on. Also showing codes U1009 & U1027

Vehicle: 2000 Mercury Grand Marquis 4.6L

1 Answer

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P1636 Inductive signature chip communication error

U1009 Invalid or data missing for engine torque

U1027 Invalid or data missing for engine RPM

The main code condition is for P1636 ,the only solution for this is to replace the PCM.

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