P2788 OBD-II: Auto Shift Manual Adaptive Learning at Limit

P2788 Severity

Urgent

Should you fix P2788 yourself?

Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.

Proper diagnosis will save you time and money on unnecessary repairs.

Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.

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P2788 Summary Find a Repair Shop P2788 Details Ask RepairPal CarGenius Other OBD-II Codes

What causes OBD-II fault code P2788?

The Transmission Control Module (TCM) goes through a learning process to properly shift the transmission based on the driver's driving habits. If the Transmission can not properly adapt to what is being requested, code P2788 is stored.

OBD II Fault Code

OBD II P2788

OBD-II Code Transmission may not shift properly is defined as a Auto Shift Manual Adaptive Learning at Limit

Transmission may not shift properly Symptoms

Increased fuel consumption
Transmission may not shift properly

Common Problems That Trigger the P2788 Code

Internal transmission failure
Transmission Control Module (TCM) failure
Transmission fluid level is low

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Other OBD-II Codes

P2787: Clutch Temperature Too High P2786: Gear Shift Actuator Temperature Too High P2785: Clutch Actuator Temperature Too High P2784: Input/Turbine Speed Sensor "A"/"B" Correlation P2783: Torque Converter Temperature Too High P2782: Downshift Switch Circuit Intermittent/Erratic P2781: Downshift Switch Circuit High P2780: Downshift Switch Circuit Low P2779: Downshift Switch Circuit Range/Performance P2778: Upshift Switch Circuit Intermittent/Erratic P2777: Upshift Switch Circuit High P2776: Upshift Switch Circuit Low P2789: Clutch "A" Adaptive Learning at Limit P278A: Kick Down Switch Circuit P278B: Kick Down Switch Circuit Range/Performance P278C: Kick Down Switch Circuit Low P278D: Kick Down Switch Circuit High P278E: Kick Down Switch Circuit Intermittent/Erratic P278F: Clutch "B" Adaptive Learning at Limit P2790: Gate Select Direction Circuit P2791: Gate Select Direction Circuit Low P2792: Gate Select Direction Circuit High P2793: Gear Shift Direction Circuit P2794: Gear Shift Direction Circuit Low

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