2012 Chevrolet Colorado 4wd-crew-cab OBD2 Code P2711 Unexpected Mechanical Gear Disengagement

What Does P2711 Code Mean?

OBD-II Code P2711 is defined as a Unexpected Mechanical Gear Disengagement

The Transmission Control Module (TCM) uses hydraulic pressure an electronic solenoids to select an hold various gears in the transmission. When the TCM detects that the transmission is not holding the requested gear, it will tell the engine control module (PCM) to set this code.

P2711 Symptoms

• Transmission may not shift properly

Common Problems That Trigger the P2711 Code

• Internal transmission failure
• Transmission Control Module (TCM) failure
• Transmission fluid level is low
• Transmission solenoid failure
• Wiring issue

Common Repairs Needed for the P2711 Code

• Automatic Transmission Fluid/Filter Change