Engine Controls - Revised PCM Message & Tachometer Tests

File In Section: 6E - Engine Fuel & Emission

Bulletin No.: 71-65-61

Date: September, 1997

SERVICE MANUAL UPDATE

Subject:
Section 6E - Engine Controls Revised PCM Message and Tachometer Diagnosis

Models:
1996 Cadillac Concours, DeVille, Eldorado, Seville
with 4.6L Engine (VINs Y, 9 - RPOs LD8, L37)

This bulletin is being issued to add the following diagnostic information to the Engine Controls section:

^ PCM Message Diagnosis - Low Engine Oil Level Message

^ PCM Message Diagnosis - Low Oil Pressure Message

^ PCM Controlled Tachometer Diagnosis























This diagnostic information was not included in the 1996 E/K services information.