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Most Common Powertrain Systems (P-Codes)

Top trouble codes in this system, by visitor frequency.

Diagnostic Guides for Powertrain Systems (P-Codes)

Free step-by-step guides written to professional diagnostic standards.

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P2779 – Autostick Downshift Switch Circuit Performance (Jeep Grand Cherokee)

0 views 2026-05-10

P2783 – Torque Converter Temperature Too High (Chrysler 300C)

0 views 2026-05-10

P2783 – Torque Converter Temperature Too High (Jeep Grand Cherokee)

0 views 2026-05-10

P2784 – Input Speed Sensor 1/2 Correlation (Chrysler 300C)

0 views 2026-05-10

P2784 – Input Speed Sensor 1/2 Correlation (Jeep Grand Cherokee)

0 views 2026-05-10

P2787 – Clutch Temperature Too High

9 views 2026-02-23

P2796 – Driveline Disconnect Switch Circuit Low

9 views 2026-02-23

P2797 – Driveline Disconnect Switch Circuit High

9 views 2026-02-23

P2798 – Driveline Disconnect Switch Circuit Range/Performance

10 views 2026-02-23

P2799 – Internal Control Module Transmission Processor Performance

8 views 2026-02-23

P279E Toyota Tundra – Four Wheel Drive (4WD) Range Signal Circuit Range / Performance

0 views 2026-05-31

P2800 – Transmission Range Sensor “B” Circuit

8 views 2026-02-23

P2801 – Transmission Range Sensor “B” Circuit Range/Performance

10 views 2026-02-23

P2802 – Transmission Range Sensor “B” Circuit Low

16 views 2026-02-23

P2803 – Transmission Range Sensor “B” Circuit High

9 views 2026-02-23

P2804 – Transmission Range Sensor “B” Circuit Intermittent

6 views 2026-02-23

P2805 – Transmission Range Sensor “C” Circuit

14 views 2026-02-23

P2806 – Transmission Range Sensor “C” Circuit Range/Performance

8 views 2026-02-27

P2807 – Transmission Range Sensor “C” Circuit Low

6 views 2026-02-27

P2808 – Transmission Range Sensor “C” Circuit High

10 views 2026-02-27

P2808 Toyota Avalon – Pressure Control Solenoid “G” Performance (Shift Solenoid Valve SL4)

0 views 2026-05-31

P2808 Toyota Camry – Pressure Control Solenoid “G” Performance (Shift Solenoid Valve SL4)

0 views 2026-05-30

P2808 Toyota Highlander – Pressure Control Solenoid “G” Performance (Shift Solenoid Valve SL4)

0 views 2026-05-31

P2808 Toyota RAV4 – Pressure Control Solenoid “G” Performance (Shift Solenoid Valve SL4)

1 views 2026-05-30

P2808 Toyota Sienna – Pressure Control Solenoid “G” Performance (Shift Solenoid Valve SL4)

0 views 2026-05-31

P2809 – Transmission Range Sensor “C” Circuit Intermittent

6 views 2026-02-27

P2810 – Shift Solenoid “J” Control Circuit/Open

7 views 2026-02-27

P2810 Toyota Avalon – Pressure Control Solenoid “G” Electrical (Shift Solenoid Valve SL4)

0 views 2026-05-31

P2810 Toyota Camry – Pressure Control Solenoid “G” Electrical (Shift Solenoid Valve SL4)

0 views 2026-05-30

P2810 Toyota Highlander – Pressure Control Solenoid “G” Electrical (Shift Solenoid Valve SL4)

0 views 2026-05-31

P2810 Toyota RAV4 – Pressure Control Solenoid “G” Electrical (Shift Solenoid Valve SL4)

1 views 2026-05-30

P2810 Toyota Sienna – Pressure Control Solenoid “G” Electrical (Shift Solenoid Valve SL4)

0 views 2026-05-31

P2811 – Shift Solenoid “J” Control Circuit Low

5 views 2026-02-27

P2812 – Shift Solenoid “J” Control Circuit High

6 views 2026-02-27

P2813 – Shift Solenoid “J” Stuck On

15 views 2026-02-27

P2814 – Shift Solenoid “J” Stuck Off

9 views 2026-02-27

P2815 – Transmission Range Sensor “D” Circuit

6 views 2026-02-27

P2816 – Transmission Range Sensor “D” Circuit Range/Performance

4 views 2026-02-27

P2817 – Transmission Range Sensor “D” Circuit Low

9 views 2026-02-27

P2818 – Transmission Range Sensor “D” Circuit High

6 views 2026-02-27