ABS/TCS - Revised Charts, Schematics & Text for DTCs: Overview

File In Section: 5 - Brakes

Bulletin No.: 63-50-11

Date: March, 1996

SERVICE MANUAL UPDATE

Subject:
Section 5E2, ABS/TCS - Revised Charts, Schematics and Text for DTC(s) 14, 55-56, 61-68, 71-74, and 91

Models:
1996 Buick LeSabre, Park Avenue
1996 Oldsmobile Eighty Eight, Ninety Eight
1996 Pontiac Bonneville

This bulletin is being issued to revise charts, schematics and text for various Diagnostic Trouble Code (DTC) Charts found in the ABS/TCS Section 5E2 of the Service Manual as follows:

^ Attachment 1 replaces the schematic on Page 5E2-13.

^ Attachment 2 replaces the schematic for DTC 14 on Page 5E2-42.

^ Attachment 3 replaces DTC 14 Chart - Solenoid Valve Relay Contact Circuit Open, on Page 5E2-43.

NOTE: Text is included to replace current DTC 14 text on Page 5E2-42 for "Circuit Description"; "DTC Will Set When"; "DTC Chart Test Description"; and "Diagnostic Aids":

^ Attachment 4 replaces DTC 55xx Chart - EBTCM Internal Malfunction (ABS/TCS Disabled), on Page 5E2-71.

^ Attachment 5 replaces DTC 56xx Chart - EBTCM Internal Malfunction, on Page 5E2-73.

^ Attachment 6 replaces DTC 61, 63, 65, 67 Chart - LF, RF, LR, and RR Hold Valve Solenoid Malfunction, on Page 5E2-75.

^ Attachment 7 replaces DTC 62, 64, 66, 68 Chart - LF, RF, LR, and RR Release Valve Solenoid Malfunction, on Page 5E2-77.

^ Attachment 8 replaces DTC 71 Chart - LF TCS Master Cylinder Isolation Valve Malfunction, on Page 5E2-79.

^ Attachment 9 replaces DTC 72 Chart - LF TCS Prime Valve Malfunction, on Page 5E2-81.

^ Attachment 10 replaces DTC 73 Chart - RF TCS Master Cylinder Isolation Valve Malfunction, on Page 5E2-83.

^ Attachment 11 replaces DTC 74 Chart - RF TCS Prime Valve Malfunction, on Page 5E2-85.

NOTE: Text is included to replace current text for the above DTC Chart Test Description for DTC(s) 61 - 74 .

^ Attachment 12 replaces DTC 91 Chart - Open Brake Lamp Switch Circuit During Deceleration, on Page 5E2-95.

NOTE: Text is included to replace current text for DTC Chart Test Description for DTC 91