P0780

Shift Malfunction

Powertrain Generic (OBD-II Standard) Diagnostic Assistant Available

Code Definition

P0780 — Shift Malfunction

System: Powertrain  |  Type: Generic (OBD-II Standard)  |  Make: Generic

About P0780

P0780 is a generic (obd-ii standard) powertrain diagnostic trouble code. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

Because P0780 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

The fault code P0780 is set when the transmission control module (TCM) or the engine control module (ECM) in vehicles with integrated control systems detects a general malfunction in the transmission's shifting process. This code is often set when there is an issue in shifting between gears, indicating a problem within the transmission system that is preventing it from operating normally. The cause of this malfunction can be varied, ranging from mechanical issues within the transmission to problems with the transmission control system. It typically results in noticeable symptoms such as harsh ...

Join TaT to view the complete code information and diagnostic details.

Possible Causes

Detailed possible causes for P0780 are available to TaT members.

Unlock with Free Trial

Diagnostic Assistant

Step-by-step diagnostic guidance for P0780 is available to TaT members. Our Diagnostic Assistant provides professional-level troubleshooting procedures written by experienced technicians.

Unlock with Free Trial

Quick Facts

CodeP0780
SystemPowertrain
TypeGeneric (OBD-II Standard)
MakeGeneric
CausesAvailable
Diag. AssistantAvailable
Video

Need Full Details?

Get complete diagnostic info, causes, and repair guidance.

Access the Full Fault Code Database

Search all 8,602 fault codes with complete diagnostic details, possible causes, and repair guidance.


© 2026 The Automotive Technician (TaT) — www.tat.net.au