What does p0446 Chevrolet powertrain control module mean?
P0446 CHEVROLET Meaning The Powertrain Control Module (PCM) monitors the performance of the Evaporative Emission (EVAP) system by applying a predetermined level of vacuum to the EVAP system then monitors the vacuum decay rate.
What happens when the ECM detects code p0446?
When P0446 is triggered, the ECM has detected a short in the circuitry to activate the vent control valve, or the EVAP system failed to maintain the proper pressure during the active EVAP leak test. What Are The Symptoms Of P0446? What Is The Cause Of P0446? How Serious is Code P0446? – Low
How much does it cost to repair a p0446 Chevy?
The cost to diagnose the P0446 CHEVROLET code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type.
What does the code p0446 mean on a vent valve?
Code P0446 sometimes indicates that an electrical failure has been detected in either the vent valve itself or its control circuit.
What causes the p0446 trouble code on a Chevy Silverado?
When the EVAP control system vent control circuit no longer responds to the ECU, it will throw the P0446 OBDII Code. There are many things that can cause the P0446 trouble code to trigger in your Chevy Silverado.
What does the p0446 code on the OBD-II mean?
If you’re getting a P0446 trouble code on your OBD-II scanner, read on to get an idea of what this means, what may have caused it, and how you can diagnose and fix it. What Does the P0446 Code Mean?
What does the OBDII code on a Chevy Silverado mean?
This trouble code references a number that is given to you when you plug your Silverado into a OBDII scanner. P0446 Indicates that there is a fault in the evaporative emission control system. It often appears with other codes, such as P0420, P0441, or P0440.
The cost to diagnose the P0446 CHEVROLET code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type.