P0305 is a fairly common trouble code with the Chevy Suburban. It’s and OBD2 code and stands for: P0305: Misfire Detected → Cylinder 5 P0305 is certainly a cause for concern, and should be considered a threat to the drivability your Suburban. The nice thing about P0305 is that it’s a cylinder specific trouble code, … Read more
P0135 is a very common OBDII code that occurs in the Chevy Suburban. It is caused by a failure in one of the oxygen sensors heated elements, specifically bank 1 sensor 1. It technically stands for: P0135: Heated Oxygen Sensor → Sensor Heater Circuit Malfunction → Bank 1, Sensor 1 The purpose of the heated … Read more
P0401 is a very common OBDII trouble code that’ll pop up in the Chevy Suburban. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your vehicle is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more
This page is meant to help you troubleshoot the Chevy Suburban P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Table of Contents … Read more
P0741 is a very common trouble code. It’s know to affect the Chevy Suburban quite often. Here’s what it means: P0741: Torque Converter Clutch Circuit → Performance or Stuck Off The Suburban uses a clutch in the torque converter to lock the engine and transmission together at highway speed. P0741 can register whenever this connection … Read more
P0304 is a relatively common Chevy Suburban trouble code. It stands for: P0304: Misfire Detected → Cylinder 4 P0304 is certainly a cause for concern, and should be considered a threat to the drivability your Suburban. The nice thing about P0304 is that it’s a cylinder specific trouble code, which makes diagnosing the problems simpler … Read more
P0121 is a somewhat common trouble code with the Chevy Suburban. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it leaves your vehicle in failsafe mode. P0121: Throttle Pedal Position Sensor → Switch (TPS) A Circuit Range → Performance Problem OBDII code P0121 … Read more
If your Chevy Suburban has the P0303 trouble code, you should know that it’s about as common of a code as there is. It’s a generic code (same meaning for all vehicles) that indicates that your vehicle’s third cylinder is misfiring. P0303 is a real drivability concern and should be dealt with right away. If … Read more
P0302 in the Chevy Suburban is a common OBD II trouble code. It indicates that your vehicle’s second cylinder has a misfire. P0302 is a real drivability concern and should be dealt with right away. If it’s bad enough to cause your Suburban’s check engine light to come on, you shouldn’t drive your vehicle at … Read more
A very common issue with the Chevy Suburban is the P0449 code. This trouble code is a reference number that is given to you when you plug your Suburban into a OBDII scanner. P0449 deals with the evaporative emissions control system. It often appears with, or is related other codes, such as P0420, P0446, and … Read more