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Home >> Lexus >> 2004 >> IS 300 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (Cruise Control Systems) >> Diagnostic Tests >> DTC P1566/54: Input Signal Circuit >> Possible Causes
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Possible Causes

WARNING: This page is about a different car, the 2003 Lexus ES 300 and 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.

Only possible cause is a defective ECM.

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