Sierra 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
Fuel Injector Control Module: Service and Repair
FUEL INJECTION CONTROL MODULE REPLACEMENT
REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
2. Remove the fuel fill cap in order to relieve the fuel pressure.
3. Cut the tie strap attaching the harness to the bracket.
4. Disconnect the fuel injection control module (FICM) electrical connectors.
Pull the retainers out until the connectors disengage.
5. Remove and discard the fuel line eyebolts.
6. Remove and discard the fuel line eyebolt washers from the banjo fittings.
