CARWATCH
Brand Specific Diagnosis

P0402 Error on Chevrolet

What it means and how to fix it

🚨 Fault Description (P0402)

When your Chevrolet dashboard warns of a fault and the OBD reader throws the P0402 error, the engine control module indicates this breakdown:

"Exhaust Gas Recirculation Flow Insufficient Detected"

Keep in mind that the severity and repairs for this code depend entirely on the specifications of your Chevrolet, whether diesel, petrol, or hybrid.

Other frequent faults detected in Chevrolet:

P0420 P0300 P0171 P0401 P0141 P0430 P0113 P0455 P0301 P0302 P0303 P0304 P0135 P0442 P0172

Get an Exact AI Diagnosis for your Chevrolet

With the CarWatch app you can connect a Bluetooth OBD2 scanner and let our AI analyze the P0402 code by crossing it with your vehicle's history and real-time telemetry.

👉 Diagnose my Chevrolet for Free

Recommended OBD2 Scanner for Chevrolet

To clear the engine light and read the P0402 code from your phone, you need an OBD2 adapter compatible with the Chevrolet ECU.

🛒 View Compatible Scanner on Amazon
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