April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P1602 Control Module Programming Error: Trouble Symptom

Engine keeps running at higher speed than specified idle speed.
Engine keeps running at a lower speed than the specified idle speed.
Engine stalls.

CAUTION: After repair or replacement of faulty parts, perform Clear Memory Mode <Ref. to OPERATION , Clear Memory Mode.> and Inspection Mode <Ref. to PROCEDURE , Inspection Mode.>.