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).
SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES · 01I006000
2001-07-02 · EA95026
THIS IS NOT A SAFETY RECALL IN ACCORDANCE WITH THE SAFETY ACT. HOWEVER, IT IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN BY THE AGENCY. VEHICLE DESCRIPTION: 1992-1994 CHEVROLET AND GMC SUBURBANS EQUIPPED WITH VACUUM POWER-BRAKE ASSIST AND EBC4 ANTI-LOCK BRAKE (ABS) MODULES. THESE VEHICLES EXHIBIT POOR BRAKE SYSTEM PERFORMANCE.
Consequence: THIS COULD BE ATTRIBUTED TO BRAKE PEDAL FEEL.
Remedy: DEALERS WILL INSTALL A NEW BRAKE PEDAL PAD. IN ADDITION, DEALERS WILL INSPECT THE BRAKE-BOOSTER OUTPUT ROD AND REPLACE IT IF NECESSARY.
Wiper blades
GMT400 platform (1992-1999 C/K-series). SUV with rear wiper.
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 1993 GMC Suburban 6.5L V8 Diesel 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.