Brake system, power, front and rear disc, antilock, front and rear wheel

Years 1970–72, 1998–04 Models 7 Factory citations 22

Also described as Wheel-lock control (rear anti-lock braking, "True-Track" from 1972)Wheel-lock control (1971) / True-Track Braking (1972) — early rear-wheel anti-lockPower brake system, front and rear disc, antilock, front and rear wheelBrake system, power, front and rear disc, antilock, front and rearBrake system, power front and rear disc, antilock front and rear wheel

Also documented for Buick Cadillac Chevrolet GMC Pontiac Saturn

Documented applications

Toronado

1970 Confirmed

Toronado + Vista Cruiser (1970)
1971–72 Confirmed

Toronado-exclusive per CSM lists

Alero — N-body (1999–2004)

1999–2004 Factory-verified

GM factory document — 1999 oldsmobile alero rpo code list, p.1.
GM factory document — 2000 oldsmobile alero rpo code list, p.1.
GM factory document — 2001 oldsmobile alero rpo code list, p.1.
GM factory document — 2002 oldsmobile alero rpo code list, p.1.
GM factory document — 2003 oldsmobile alero rpo code list, p.1.
GM factory document — 2004 oldsmobile alero rpo code list, p.1.

Aurora — G-body (1995–1999)

1998–1999 Factory-verified

GM factory document — 1998 oldsmobile aurora rpo code list, p.1.
GM factory document — 1999 oldsmobile aurora rpo code list, p.1.

Aurora — G-body (2001–2003)

2001–2003 Factory-verified

GM factory document — 2001 oldsmobile aurora rpo code list, p.1.
GM factory document — 2002 oldsmobile aurora rpo code list, p.1.
GM factory document — 2003 oldsmobile aurora rpo code list, p.1.

Cutlass — N-body (1997–1999)

1999 Factory-verified

GM factory document — 1999 oldsmobile cutlass rpo code list, p.1.

Intrigue — W-body (1998–2002)

1998–2002 Factory-verified

GM factory document — 1998 oldsmobile intrigue rpo code list, p.1.
GM factory document — 1999 oldsmobile intrigue rpo code list, p.1.
GM factory document — 2000 oldsmobile intrigue rpo code list, p.1.
GM factory document — 2001 oldsmobile intrigue rpo code list, p.1.
GM factory document — 2002 oldsmobile intrigue rpo code list, p.1.

Silhouette — U-body second generation (1997–2004)

2000–2004 Factory-verified

GM factory document — 2000 oldsmobile silhouette ext rpo code list, p.1.
GM factory document — 2001 oldsmobile silhouette ext rpo code list, p.1.
GM factory document — 2002 oldsmobile silhouette ext rpo code list, p.1.
GM factory document — 2003 oldsmobile silhouette ext rpo code list, p.1.
GM factory document — 2004 oldsmobile silhouette ext rpo code list, p.1.

This page aggregates every documented appearance of JL9 in the Oldsmobile reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.