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.
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HOMESERVICE MANUALSCHEVROLET1994K 2500 SUBURBAN 4WD V8-350 5.7LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULESERVICE AND REPAIRCONTROL MODULE REPLACEMENT
1994 Chevrolet K 2500 Suburban 4WD V8-350 5.7L
Control Module Replacement
1994 Chevrolet K 2500 Suburban 4WD V8-350 5.7LSECTION Control Module Replacement
Fuel Module (Located Above Blower Motor Assembly):
CAUTION:
- The ignition must be "OFF," when disconnecting or reconnecting the control module connector, to prevent internal damage to the control module.
- 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:
- Disconnect the negative battery terminal.
- Remove glove box panel.
- Remove mounting brackets and/or retainers.
- Remove control module from tray.
- Disconnect control module harness connectors.
- Remove access cover and PROM.
INSTALLATION:
- Install PROM and access cover on to new control module.
- Install mounting brackets and module(s).
- Install control module into tray until clips lock.
- Install control module harness connectors.
- Install glove box panel.
- Connect the negative battery terminal.
- Perform functional check.
RENDER: 1.0x
NO RELATED
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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.