Chevrolet Silverado Fault Codes

About the Silverado

The Chevrolet Silverado is a series of full-size and heavy-duty pickup trucks that first debuted in 1999. There have been a total of four generations to be released, with the fourth and latest generation hitting the market in 2019.

The series ranges from the smallest 1500 and goes up to the medium-duty 6500 HD.

The Silverado is nearly identical to its corporate cousin, the GMC Sierra, which is considered a rebadged version. It is also often compared to popular models from Ford’s F-Series like the F-150 and F-350, the Dodge RAM, Nissan Titan, and Toyota Tundra.

In the two-plus decades that the model has been on the market, one of the most common issues it has faced is P0430. This code indicates that there is an issue with the catalytic converter in the second bank of the exhaust system.

Unlike some models on the market that would not be susceptible to this code because it only affects the second engine bank, nearly every Silverado model has been outfitted with a V-shaped engine, meaning most models can log this code.

This code is usually a sign that the second catalytic converter is failing and needs to be replaced. It is also possible that the oxygen sensors need to be checked and replaced.

P0154 is another fairly common code that the pickup truck has faced. This code represents a malfunction from the first O2 sensor in the second bank of the engine. Of course, a faulty sensor is the most likely culprit.

The Silverado is also somewhat known to suffer from P0300, which indicates that multiple or random misfires have been detected.

This code can be very difficult to solve alone, so it is important owners look for additional fault codes that may relate to the air, fuel, or ignition systems.