- The P202E code is typically triggered by issues related to the reductant injection valve circuit, such as wiring faults, a faulty reductant injection valve, or a malfunctioning powertrain control …

A stored code P202E means that the powertrain control module (PCM) has detected abnormal voltage in the control circuit for the reductant injection valve for engine bank #1 and selective …

Jan 5, 2018 · Where is the P202E sensor located? The image above shows a simplified schematic diagram of a typical modern SCR system fitted to the exhaust system of a …

Jul 6, 2025 · Learn all about the P202E code, what causes reductant injection valve circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Feb 12, 2020 · Code P202E stands for Reductant Injection Valve Circuit Range/Performance Bank 1 Unit 1. Read the article to know possible causes, symptoms, and descriptions.

In this blog post, we’ll break down everything you need to know about the P202E code—from its symptoms and causes to how you can diagnose and fix it yourself. The P202E code signals a …

A stored code P202E indicates that the powertrain control module (PCM) has detected abnormal voltage in the control circuit for the reductant injection valve in engine bank #1 and selective …

The last two characters "2E" is DTC number. OBD2 Diagnostic Trouble Code P202E means that Reductant Injection Valve Circuit Range/Performance (Bank 1 Unit 1) has been detected.

Code P202E Description The Selective Catalytic Reduction (SCR) system reduces oxides of nitrogen (NOx) emissions by injecting a metered amount of Diesel Exhaust Fluid (DEF) or …

Sep 4, 2024 · P202E stands for “Reductant Injection Valve Circuit Range/Performance (Bank 1 Unit 1).” It indicates an abnormal voltage in the control circuit for the reductant injection valve …