Retrieving Service Codes - GM 3123 Manuel Du Propriétaire

Retrieving ABS Codes
Year Model
1989-93 Astro, "G" Series Van, "R" and "V" Series Kelsey-Hayes
Trucks, Safari, Suburban
1987-94 Blazer, "C" and "K" Series Pickup, Sierra, Kelsey-Hayes
"S" and "T" Series Pickup (EXCEPT
93-94 4.3L M/T)
1989-90 Eldorado, Reatta, Riviera, Seville, Toro-
nado, Delta 88, Bonneville, DeVille,
Electra, Le Sabre, Ninety-Eight, Fleet-
wood, Park Avenue, Touring Sedan
(EXCEPT 1988 Eldorado, Reatta, Riviera,
Seville, Toronado)
1990-91 Corvette
1990-92 Brougham
1990-94 Astro, Bravada, Jimmy, Safari, Sierra,
Sonoma, Suburban, Cyclone, Typhoon,
Yukon, "C" and "K" Series Blazer and
Pickup, "S" and "T" Series Blazer and
Pickup, "G" Series Van
1995 Astro, "C" and "K" Series Pickup, "G"
Series Van, Safari, Sierra, Suburban,
Tahoe, Yukon
1991-92 Custom Cruiser, Eldorado, Seville,
Reatta, Toronado, Trofeo
1991-93 Riviera, Roadmaster, Caprice
1993 Eldorado, Seville

3.3 RETRIEVING SERVICE CODES

• Always observe safety precautions before and during
testing process.
•
Fix any known mechanical problems before this test.
•
Have pencil and paper handy.
1.
Determine your vehicle's ABS Type (paragraph 3.1) and
retrieve codes using the appropriate procedures:
Teves II
Kelsey-Hayes RWAL
Kelsey-Hayes 4WAL
Bosch 2S
Bosch 2U
Be sure to write codes down.
GM
Paragraph 3.3.1
Paragraph 3.3.2
Paragraph 3.3.3
Paragraph 3.3.4
Paragraph 3.3.4
ABS Type
RWAL
RWAL
Teves II
Bosch 2S
Bosch 2U
Kelsey-Hayes
4WAL
Kelsey-Hayes
4WAL
Bosch 2U
Bosch 2U
Bosch 2U
ABS/TCS
3-2