P Codes – OBD2 Powertrain Codes

Learn all about the P0485 code, what causes fan power/ground circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P0486 code, what causes Exhaust Gas Recirculation Sensor "B" Circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P0487 code, what causes exhaust gas recirculation throttle control circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P0488 code, what causes issues in the exhaust gas recirculation throttle control circuit, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0489 code, what causes exhaust gas recirculation "A" control circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P048A code, what causes exhaust pressure control valve "A" stuck closed, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P048B code, what causes exhaust pressure control valve position sensor/switch circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P048C code, what causes exhaust pressure control valve position sensor/switch circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P048D code, what causes exhaust pressure control valve position sensor/switch circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P048E code, what causes exhaust pressure control valve position sensor/switch circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.