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GMC Truck
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1993
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C 2500 Truck 2WD V8-379 6.2L DSL VIN J FI
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Relays and Modules - Computers and Control Systems
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Engine Control Module
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Description and Operation
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Heavy Duty
Heavy Duty
The 6.2L (LL4) 6.5L (L65) turbo diesel engine do not use an Electronic Control Module (ECM). However, they do use a Transmission Control Module (TCM) with automatic transmission.