C 2500 Suburban 2WD V8-350 5.7L (1994)
Engine Control Module: Service and Repair
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.
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Install control module harness connectors.
-
Install glove box panel.
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Connect the negative battery terminal.
-
Perform functional check.