Saab P0780 Shift Malfunction

Description

OBD-II Trouble Code Description for P0780 Saab

Shift Error

What does this mean?

OBD2 Code P0780 Saab definition:
The Transmission Control Module (TCM) monitors the transmission mechanical shifting through various sensors. This malfunction is detected when the A/T does not shift as instructed by the TCM. This is not caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking,improper solenoid valve operation, etc.

Symptoms

Possible sumptoms of OBD code P0780 Saab
– Engine Light ON (or Service Engine Soon Warning Light) – Transmission shift shock

Causes

Possible causes of OBD code P0780 Saab
– Low transmission fluid level – Dirty transmission fluid – Faulty shifting solenoid valve – Shifting solenoid valve harness or connectors – Shifting solenoid valve circuit is open or shorted The Error code is generally activated on detection of the following conditions: The P0780 Saab codes is detected when no rotation change occurs between input (turbine revolution sensor) and output (revolution sensor) and shifting time is long or when shifting ends immediately or when engine revs up unusually during shifting.

Possible Solutions


The OBD2 Code Information Be Applicable For Saab:

2012 Saab 9-5,2012 Saab 9-4X,2011 Saab PhoeniX Concept,2010 Saab 9-5 Sedan,2010 Saab 9-3,2010 Saab 9-3X,2008 Saab Turbo X,2008 Saab 9-X,2008 Saab 9-7X,2008 Saab 9-4X,2008 Saab 9-3,2008 Saab 9-3,2008 Saab 9-3,2006 Saab 9-7X,2006 Saab 9-5,2006 Saab 9-3,2005 Saab 9-5,2005 Saab 9-3,2005 Saab 9-2,2003 Saab 95,2003 Saab 93

 

Note:

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