DTC code

P0606: Control Module Processor Performance

Vehicle-specific published guides for this diagnostic trouble code.

P0606/Engine diagnostics

Control Module Processor Performance

P0606 may indicate that a control module has detected a processor performance problem, a processor integrity concern, or a programming-related condition.

Article vehicle: 2019-2025 Chevrolet Silverado 1500 5.3 gas

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P0606/Engine diagnostics

Control Module Processor Performance

P0606 often means a control module may have detected a problem with its own processor, memory checks, timing logic, or programming state.

Article vehicle: 2019-2025 Chevrolet Silverado 1500 5.3 gas

Read diagnostic guide