Every control module on the 1992-1999 GMC Suburban — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Heating and Air Conditioning Programmer (HVAC)2.5 hr R&Rno codingwith automatic climate control
📍 behind center of dashboard, above transmission tunnel
⚠️ Manual HVAC systems are cable-operated with no module. Automatic systems use electronic programmer for blend door control.
Electronic Brake Control Module (EBCM)2.2 hr R&Rrelearn only +0.2 hr▸ programming details
📍 left frame rail near master cylinder, integrated with ABS hydraulic unit
🔧 Tech 1 or Tech 2
⚠️ 4-wheel ABS standard 1992+. Module integrated with hydraulic unit; brake bleeding and sensor calibration required.
📍 behind left side of instrument panel, integrated with BCM or separate
🔧 Tech 2 with TIS2000
⚠️ VATS uses resistor pellet key. Passlock uses electronic sensor in ignition. Both require security relearn with PCM after replacement.
Radio (RAD)0.8 hr R&Rrelearn only +0.2 hr▸ programming details
📍 center of instrument panel, in radio cavity
🔧 Tech 2 (1996+) or radio code entry
⚠️ 1996+ radios may require Theftlock code entry after battery disconnect. Some models require VIN programming.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LISTED ABOVE AND ON CERTAIN SCHOOL BUSES. (TO SEE THE SCHOOL BUS ENGINE SIZES, CLICK ON "DOCUMENT SEARCH" AND THEN "BUS APPLICATIONS"). THE CONNECTOR ON THE FUEL FILTER WAS NOT MANUFACTURED TO HONEYWELL'S SPECIFICATION. AS A RESULT, THE O-RING MAY NOT SEAT CORRECTLY ON THE FUEL LINE.
Consequence: THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. IN THE PRESENCE OF AN IGNITION SOURCE, A FIRE COULD OCCUR.
Remedy: HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 18, 2006. OWNERS MAY CONTACT FRAM CUSTOMER SERVICE AT 1-800-890-2075 (OPTION 1).
CERTAIN SPORT UTILITY VEHICLES, MINI VANS, AND PICKUP TRUCKS MAY DEVELOP A SHORT CIRCUIT IN THE ELECTRIC OUTSIDE REARVIEW MIRROR SWITCH.
Consequence: IF THIS WERE TO HAPPEN, IT COULD RESULT IN AN INOPERATIVE SWITCH, HEAT DAMAGE TO THE DRIVER'S DOOR, AND/OR IGNITION OF COMPONENTS IN THE DRIVER'S DOOR AND A SUBSEQUENT VEHICLE FIRE WITHOUT PRIOR WARNING.
Remedy: DEALERS WILL INSTALL A FUSED JUMPER HARNESS TO THE ELECTRIC OUTSIDE REARVIEW MIRROR SWITCH. OWNER NOTIFICATION BEGAN ON APRIL 24, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-222-1020 OR GMC AT 1-800-462-8782.
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR · 98V033000
1998-02-17
VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND MULTI-PURPOSE PASSENGER VEHICLES. ONE OR BOTH FRONT BRAKE ROTOR/HUBS WERE BUILT WITH AN OUT-OF-SPECIFICATION GRAY IRON THAT CAN FAIL DURING THE LIFE OF THE VEHICLE.
Consequence: IF A DRIVER CONTINUES TO DRIVE WITH A CRACKED ROTOR, THE CRACKS COULD CONTINUE AROUND THE WHEEL MOUNTING BOLT CIRCLE AND ULTIMATELY RESULT IN A WHEEL SEPARATION.
Remedy: DEALERS WILL INSPECT THE ROTORS FOR A CORE DATE OF "287" AND, IF FOUND, REPLACE THE ROTOR.
Fuel economy (EPA)
City
12mpg
Highway
17mpg
Combined
14mpg
Fuel
Regular Gasoline
Capability & size
EPA class
Special Purpose Vehicle 2WD
Wiper blades
1992-1999 GMT400 generation Suburban. Same as 1997-1999.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 1998 GMC Suburban 5.7L V8 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.