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LS 430
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Different car
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Section 493 (Cruise Control System - Diagnostics)
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DTC P0607/54: Control Module Performance
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Inspection Procedure
Inspection Procedure
WARNING:
This page is about a different car, the 2004 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
CHECK AND REPLACE ECM (See
ELECTRONIC CIRCUIT INSPECTION PROCEDURE
)