P Codes – OBD2 Powertrain Codes

Learn all about the P2777 code, what causes upshift switch circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2778 code, what causes upshift switch circuit intermittent/erratic issues, and how to diagnose and fix common problems to maintain optimal vehicle performance.

Learn all about the P2779 code, what causes downshift switch circuit range/performance issues, and how to diagnose and fix common problems to maintain optimal vehicle performance.

Learn all about the P2780 code, what causes downshift switch circuit low, and how to diagnose and fix common issues to maintain optimal vehicle performance.

Learn all about the P2781 code, what causes downshift switch circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2782 code, what causes downshift switch circuit intermittent/erratic, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2783 code, what causes torque converter temperature to be too high, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn all about the P2784 code, what causes Input/Turbine Speed Sensor "A"/"B" Correlation issues, and how to diagnose and fix common problems to maintain optimal transmission performance.

Learn all about the P2785 code, what causes clutch actuator temperature to be too high, and how to diagnose and fix common issues to maintain optimal transmission performance.

Learn all about the P2786 code, what causes gear shift actuator temperature too high, and how to diagnose and fix common issues to maintain optimal engine performance.