P Codes – OBD2 Powertrain Codes

Learn all about the P047A code, what causes issues with the Exhaust Pressure Sensor "B" circuit, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P047B code, what causes exhaust pressure sensor 'B' circuit range/performance issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P047C code, what causes exhaust pressure sensor "B" circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P047D code, what causes issues with the exhaust pressure sensor "B" circuit, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P047E code, what causes exhaust pressure sensor "B" circuit intermittent/erratic, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P047F code, what causes exhaust pressure control valve "A" stuck open, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P0481 code, what causes fan 2 control circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P0482 code, what causes fan 3 control circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P0483 code, what causes fan rationality check issues, and how to diagnose and fix common problems to maintain optimal engine performance.

Learn all about the P0484 code, what causes fan circuit over current, and how to diagnose and fix common issues to maintain optimal engine performance.