P0738 Buick Transmission Control Module (TCM) Engine Speed Output Circuit Low

P0739 Buick Transmission Control Module (TCM) Engine Speed Output Circuit High

OBD Code:
System:
Subsystem:
 P0739 Buick – (ASE)
 Powertrain
 Transmission Controls

Trouble Code Description: Transmission Control Module (TCM) Engine Speed Output Circuit High


Location:
Analysis:

Possible Causes:

 
 End of Range – Circuit Higher Than Expected

 

Tech description:

Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera