The adaptive learning drive cycle was interrupted before completion, such as by a key-off, stall, or short trip; A worn clutch friction disc or release bearing has pushed adaptation values outside the learnable range; A faulty or contaminated clutch actuator, including a sticking release cylinder or worn electric motor; A shift actuator or gear selector mechanism that cannot reach its reference positions reliably; Low or degraded transmission fluid, or air in a hydraulically actuated clutch circuit; A software or calibration issue in the transmission control module that prevents the routine from finishing; A weak battery or poor ground causing voltage drops that abort the learn procedure mid-cycle

DTC codes / P09xx · Transmission / P0949

P0949Auto Shift Manual Adaptive Learning Not Complete

Q: What does code P0949 mean?

Auto Shift Manual Adaptive Learning Not Complete. P0949 means the transmission control module has not successfully completed its adaptive learning routine for the automated manual gearbox, so it cannot confirm that clutch and shift actuator behaviour matches its stored baseline. The computer detected that the learn procedure was interrupted, never finished, or repeatedly failed its acceptance criteria during a drive cycle.

P0949 means the transmission control module has not successfully completed its adaptive learning routine for the automated manual gearbox, so it cannot confirm that clutch and shift actuator behaviour matches its stored baseline. The computer detected that the learn procedure was interrupted, never finished, or repeatedly failed its acceptance criteria during a drive cycle.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

AreaTransmission

Symptoms you may notice

The transmission may default to a fixed shift strategy, producing harsh or delayed gear changes
The clutch may engage abruptly or slip noticeably when pulling away from a stop
The gear indicator may flash or the transmission may refuse to select certain gears
A limp-home or reduced-power mode may activate, limiting engine torque
The warning light may be the only sign, with no noticeable change in driveability
The engine may stall or hesitate during low-speed manoeuvres as the clutch control is uncertain

Common causes, most likely first

The adaptive learning drive cycle was interrupted before completion, such as by a key-off, stall, or short trip
A worn clutch friction disc or release bearing has pushed adaptation values outside the learnable range
A faulty or contaminated clutch actuator, including a sticking release cylinder or worn electric motor
A shift actuator or gear selector mechanism that cannot reach its reference positions reliably
Low or degraded transmission fluid, or air in a hydraulically actuated clutch circuit
A software or calibration issue in the transmission control module that prevents the routine from finishing
A weak battery or poor ground causing voltage drops that abort the learn procedure mid-cycle

How to diagnose and fix it

Scan all modules for stored and pending codes, and record freeze-frame data before clearing anything
Verify battery voltage and charging system health, since low voltage aborts the adaptive learn routine
Check transmission fluid level and condition, and inspect the clutch actuator circuit for leaks or air
Perform the manufacturer's adaptive learning or clutch calibration procedure exactly as specified, including the required drive cycle
Inspect the clutch disc, release bearing, and actuator travel for wear or binding if the learn routine repeatedly fails
Check shift actuator and selector mechanism operation, including position sensor readings, against the service specification
Update the transmission control module calibration if a known software revision addresses learn-completion faults

Why the learn routine keeps failing

This code is frequently set by a technician or owner who cleared codes and then drove the car normally without completing the required adaptive learn drive cycle, so the fault is procedural rather than mechanical.
A marginal battery that still starts the engine can drop voltage during the learn routine and abort it, which is why voltage checks come before any parts replacement.
A worn clutch can still drive acceptably while producing adaptation values that fall just outside the learnable window, so the code appears before the driver notices slip.
The code does not always mean the transmission is failing; on many vehicles it simply means the calibration was never finished after a clutch replacement or module reprogramming.
Air trapped in a hydraulic clutch release circuit is a commonly missed cause because the pedal may feel normal while actuator travel remains inconsistent during the learn cycle.

Can I keep driving with P0949?

You can usually drive the vehicle to a workshop, but expect harsh shifts or a possible limp-home mode, and avoid heavy acceleration, towing, or long trips until the adaptive learning is completed. If the transmission refuses to select gears or the vehicle stalls repeatedly, stop driving and arrange recovery.

Tools that help

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Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.