Skip to main content

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.

Fuel Trim Diagnostics (STFT/LTFT)How to Test a MAF SensorHow to Test a MAP SensorFind & Diagnose a Vacuum LeakEngine Compression & Leak-Down TestDiagnose EVAP System FaultsDiagnose Engine Misfires with a Scan Tool

P2691 – Cylinder 6 Injector Data Incompatible (Jeep Grand Cherokee)

0 views 2026-05-10

P2692 – Actuator Supply Voltage “H” Circuit Range/Performance

7 views 2026-02-22

P2693 – Cylinder 1 Deactivation/Intake Valve Control Circuit/Open

9 views 2026-02-22

P2694 – Cylinder 1 Deactivation/Intake Valve Control Circuit Low

8 views 2026-02-22

P2695 – Cylinder 1 Deactivation/Intake Valve Control Circuit High

10 views 2026-02-22

P2696 – Cylinder 1 Deactivation/Intake Valve Control Circuit Range/Performance

10 views 2026-02-22

P2697 – Cylinder 2 Deactivation/Intake Valve Control Circuit/Open

8 views 2026-02-22

P2698 – Cylinder 2 Deactivation/Intake Valve Control Circuit Low

9 views 2026-02-22

P2699 – Cylinder 2 Deactivation/Intake Valve Control Circuit High

8 views 2026-02-22

P2700 – Inadequate Element Volume Lr (Jeep Grand Cherokee)

0 views 2026-05-10

P2700 – Transmission Friction Element “A” Apply Time Range/Performance

7 views 2026-02-23

P2700 – Transmission Friction Element A Apply Time Range/performance (Ford F-150)

0 views 2026-05-10

P2700 Dodge RAM 1500 – Inadequate Element Volume Lr

0 views 2026-06-17

P2701 – Inadequate Element Volume 2c (Jeep Grand Cherokee)

0 views 2026-05-10

P2701 – Transmission Friction Element “B” Apply Time Range/Performance

10 views 2026-02-23

P2701 – Transmission Friction Element B Apply Time Range/performance (Ford F-150)

0 views 2026-05-10

P2701 Dodge RAM 1500 – Inadequate Element Volume 2c

0 views 2026-06-17

P2702 – Inadequate Element Volume Od (Jeep Grand Cherokee)

0 views 2026-05-10

P2702 – Transmission Friction Element “C” Apply Time Range/Performance

8 views 2026-02-23

P2702 – Transmission Friction Element C Apply Time Range/performance (Ford F-150)

0 views 2026-05-10

P2702 Dodge RAM 1500 – Inadequate Element Volume Od

0 views 2026-06-17

P2703 – Inadequate Element Volume Ud (Jeep Grand Cherokee)

0 views 2026-05-10

P2703 – Transmission Friction Element “D” Apply Time Range/Performance

11 views 2026-02-23

P2703 – Transmission Friction Element D Apply Time Range/performance (Ford F-150)

0 views 2026-05-10

P2703 Dodge RAM 1500 – Inadequate Element Volume Ud

0 views 2026-06-17

P2704 – Inadequate Element Volume 4c (Jeep Grand Cherokee)

0 views 2026-05-10

P2704 – Transmission Friction Element “E” Apply Time Range/Performance

13 views 2026-02-23

P2704 – Transmission Friction Element E Apply Time Range/performance (Ford F-150)

0 views 2026-05-10

P2704 Dodge RAM 1500 – Inadequate Element Volume 4c

0 views 2026-06-17

P2705 – Transmission Friction Element “F” Apply Time Range/Performance

7 views 2026-02-23

P2705 – Transmission Friction Element F Apply Time Range/performance (Ford F-150)

0 views 2026-05-10

P2706 – Ms Solenoid Circuit (Jeep Grand Cherokee)

0 views 2026-05-10

P2706 Dodge RAM 1500 – Ms Solenoid Circuit

0 views 2026-06-17

P2711 – Unexpected Mechanical Gear Disengagement

6 views 2026-02-23

P2714 Toyota 4Runner – Pressure Control Solenoid “D” Performance (Shift Solenoid Valve SLT)

0 views 2026-05-31

P2714 Toyota Avalon – Pressure Control Solenoid “D” Performance (Shift Solenoid Valve SLT)

0 views 2026-05-31

P2714 Toyota Camry – Pressure Control Solenoid “D” Performance (Shift Solenoid Valve SLT)

0 views 2026-05-30

P2714 Toyota Corolla – Pressure Control Solenoid “D” Performance (Shift Solenoid Valve SLT)

0 views 2026-05-30

P2714 Toyota FJ Cruiser – Pressure Control Solenoid “D” Performance (Shift Solenoid Valve SLT)

0 views 2026-05-31

P2714 Toyota Highlander – Pressure Control Solenoid “D” Performance (Shift Solenoid Valve SLT)

0 views 2026-05-31