P2789
Clutch Adaptive Learning at Limit
What does the P2789 code mean?
The transmission control module (TCM) has detected that the clutch adaptive learning values have reached their maximum or minimum adjustment limit. This indicates that the clutch is worn or there is a mechanical issue preventing proper adaptation, leading to potential drivability concerns.
High
Severity
$150-$400
Typical Cost
Medium
Frequency
01. Most Common Causes
- Worn clutch disc
- Low transmission fluid level
- Faulty clutch actuator or solenoid
- Internal transmission damage
02. Symptoms You Will Notice
- Harsh or delayed shifting
- Slipping clutch
- Check Engine Light on
- Transmission stuck in gear
03. Step-by-Step Diagnosis
1
Step 1: Scan for additional codes and check freeze frame data.
2
Step 2: Inspect transmission fluid level and condition.
3
Step 3: Perform clutch adaptation reset and test drive.
4
Step 4: If adaptation fails, inspect clutch components and actuators.
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04. Commonly Affected Makes
ToyotaVolkswagen
FordChevrolet
HondaHyundai / Kia
NissanBMW
05. Frequently Asked Questions
Is it safe to drive with this code?▼
It is not recommended as driving may cause further transmission damage or unsafe shifting.
How much does it cost to fix?▼
Costs range from $150 for fluid change and adaptation reset to $400+ for clutch replacement.