DTC P3401 GMC
Cylinder 1 Deactivation Solenoid Control Circuit
Cylinder 1 Deactivation Solenoid Control Circuit
Description
The engine speed is greater than 400 RPM. The ignition voltage is between 9-18 volts. DTC P3401, P3425, P3441, and P3449 runs continuously when the above conditions are met.
Cause and Solution
The ECM detects that the commanded state of the driver and the actual state of the control circuit do not match for greater than 5 s.
Video Guide
Diagnostic Info
- DTC Code: P3401
- Brand: GMC