P2785 indicates that the actuator which opens and closes the clutch has become hotter than the controller allows. In automated manual and dry dual-clutch gearboxes this part is usually an electric motor or an electro-hydraulic unit; creeping, hill starts and stop-and-go traffic make it work hard, and the controller measures or models its temperature to protect windings and electronics. No manufacturer documents P2785 publicly with thresholds; CARB treats such gearbox actuators as monitored output components. A related case is Stellantis bulletin 21-040-26 for European Jeep Renegade and Compass with the 7-speed hybrid dual-clutch, where particles blocking an actuator pump lead to clutch faults. Unlike P2787, this code concerns the actuator rather than the friction lining. Expect limited torque or a lock-out until it has cooled.
Medium severity. Can I keep driving?Drive gently to a repair shop. If it slips, you hear clunks, or it loses its gears, do not keep driving.
Symptoms
- Gearbox warning and request to stop or let the system cool
- Reduced engine torque or harsh, delayed take-off
- Vehicle may refuse to engage a gear until cooled
Most likely causes
- Long creeping, repeated hill starts or towing in slow traffic
- Stiff release bearing or lever forcing high actuator current
- Worn actuator motor or blocked actuator pump
- Faulty temperature sensing or outdated control software
What to check, in order
Start with the simplest. You can tick off each step.
Good to know
- Repair difficulty: hard
- It can trigger limp mode.
What each character of P2785 means
- P: Powertrain: engine and transmission
- 2: Generic code: same on every make
- 7: Transmission
- 85: Specific fault in that system
Frequently asked questions
Can I keep driving with code P2785?
Drive gently to a repair shop. If it slips, you hear clunks, or it loses its gears, do not keep driving.
What causes code P2785?
The most common causes are: long creeping, repeated hill starts or towing in slow traffic; stiff release bearing or lever forcing high actuator current; worn actuator motor or blocked actuator pump.
Related codes
- P2786Gear Shift Actuator Temperature Too High
- P2787Clutch A Temperature Too High
- P0900Clutch A Actuator Control Circuit/Open
- P0901Clutch A Actuator Control Circuit Range/Performance
Sources
- law.cornell.edu: 13 CCR 1968.2
- en.wikipedia.org: Automated manual transmission
- static.nhtsa.gov: MC 11032841 0001
Values and procedures vary by manufacturer. If it affects brakes, steering, fuel or high voltage, see a professional. Updated: 2026-11-04. How we build these pages.