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Chevrolet
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2003
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Silverado 1500 HD, RWD
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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ENGINE CONTROLS - SELF-DIAGNOSTICS - 4.8L, 5.3L & 6.0L - Flex Fuel & Gasoline
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Diagnostic Tests
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DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 & P2610: Pcm Memory
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Test Description
Test Description
The numbers below refer to the step numbers in the diagnostic procedure.
2
A DTC P0602 indicates the PCM is not programmed.