Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET1992SUBURBAN 3/4 TON 2WD V8-454 7.4LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULESERVICE AND REPAIRCONTROL MODULE REPLACEMENT
1992 Chevrolet Suburban 3/4 Ton 2WD V8-454 7.4L
Control Module Replacement
1992 Chevrolet Suburban 3/4 Ton 2WD V8-454 7.4LSECTION Control Module Replacement
Fuel Module (Located Above Blower Motor Assembly):
CAUTION:
[a] The ignition must be "OFF," when disconnecting or reconnecting the control module connector, to prevent internal damage to the control module.
[b] To prevent possible Electrostatic Discharge to the control module, DO NOT touch the connector pins or soldered components on the circuit boards.
NOTE: When replacing a production control module with a service controller, transfer the broadcast DTC and production control module part number to the controller label. DO NOT record information on the access cover.
REMOVAL:
1. Disconnect the negative battery terminal.
2. Remove glove box panel.
3. Remove mounting brackets and/or retainers.
4. Remove control module from tray.
5. Disconnect control module harness connectors.
6. Remove access cover and PROM (MEM-CAL).
INSTALLATION:
1. Install PROM (MEM-CAL) and access cover on to new control module.
2. Install mounting brackets and module(s).
3. Install control module into tray until clips lock.
4. Install control module harness connectors.
5. Install glove box panel.
6. Connect the negative battery terminal.
7. Perform functional check.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.