OBD2 Error Codes

Learn all about the P2535 code, what causes ignition switch run/start position circuit high, and how to diagnose and fix common issues to maintain optimal vehicle performance.

Learn all about the P2536 code, what causes issues with the ignition switch accessory position circuit, and how to diagnose and fix common problems to keep your vehicle running smoothly.

Learn all about the P2537 code, what causes ignition switch accessory position circuit low, and how to diagnose and fix common issues to maintain optimal vehicle performance.

Learn all about the P2538 code, what causes ignition switch accessory position circuit high, and how to diagnose and fix common issues to maintain optimal vehicle performance.

Learn all about the P2539 code, what causes low pressure fuel system sensor circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P253A code, what causes PTO sense circuit/open issues, and how to diagnose and fix common problems to maintain optimal vehicle performance.

Learn all about the P253B code, what causes PTO sense circuit range/performance issues, and how to diagnose and fix common problems to maintain optimal vehicle performance.

Learn all about the P253C code, what causes PTO sense circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P253D code, what causes PTO Sense Circuit High, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P253E code, what causes PTO sense circuit intermittent/erratic, and how to diagnose and fix common issues to maintain optimal engine performance.