P2789 OBD-II: Clutch "A" Adaptive Learning at Limit

P2789 Severity

Moderate

Will P2789 go away on its own?

Once the vehicle's onboard system no longer detects the issue, most codes will disappear on their own. If your vehicle still has this code, however, it should be properly diagnosed to avoid a more serious problem.

For a proper diagnosis, RepairPal Certified shops have the equipment, tools, and expertise.

Moderate severity codes might not threaten the vehicle's safety or functionality immediately, but you should still get it diagnosed within a reasonable time frame to keep your car running well.

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P2789 Summary Find a Repair Shop P2789 Details Ask RepairPal CarGenius Other OBD-II Codes

What causes OBD-II fault code P2789?

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 P2789 is stored.

OBD II Fault Code

OBD II P2789

OBD-II Code Transmission may not shift properly is defined as a Clutch "A" Adaptive Learning at Limit

Transmission may not shift properly Symptoms

Increased fuel consumption
Transmission may not shift properly

Common Problems That Trigger the P2789 Code

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

Common Repairs Needed for the P2789 Code

Clutch Replacement

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Other OBD-II Codes

P2788: Auto Shift Manual Adaptive Learning at Limit 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 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 P2795: Gear Shift Direction Circuit High

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