OBD-II Diagnostic Trouble Code
P2638
Torque Management Feedback Signal Performance
P
Powertrain
engine / trans
engine / trans
2
Generic
SAE standard
SAE standard
6
Computer & output circuits
38
Torque Management Feedback Signal Performance
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Jeep
System
Powertrain
Model
Grand Cherokee
Years
2011