Manufacturer DTCs

Chevrolet P1129 – DME: Emission control fault

Emission control fault

Details

Chevrolet P1129 error indicates emission control fault. Catalyst issue, EGR problem.

Error typeemission
MeaningEmission control fault
Typical causesCatalyst issue, EGR problem
SolutionsCheck emission components
SeverityMedium

Catalog references

Where this appears

ChevroletP1129

Utilities

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Troubleshooting steps

Check emission components

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FAQ

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What does P1129 mean on Chevrolet?

P1129 on Chevrolet indicates emission control fault.

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