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Home >> Volkswagen >> 1991 >> Passat L4-1984cc 2.0L DOHC >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Control Module >> Technical Service Bulletins >> Recalls >> Recall - Revised Vehicle System Work Procedures >> Work Procedure >> H. Check/Replace Engine Control Module
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H. Check/Replace Engine Control Module

H. Check/replace Engine Control Module
(ECM) (Passat with automatic transmission only)





- Connect Engine Scan Tool VAG 1551 and check Part No. of installed engine ECM. Also visually check ECM for color code.

Note
Since tester printouts tend to fade, make a photocopy of the printout and attach to repair order hard copy for future reference. Identify removed Engine Control Modules (ECM) with a completely filled out Warranty parts tag and return ECM to your Parts Department for shipment to VWoA Warranty Parts Test Center.