P258F concerns the sending side of a torque management link. One controller – for example the engine module talking to a transmission or hybrid controller, or the reverse – transmits torque requests and finds that its own output is faulty, missing or not accepted by the receiver. The receiving side is better documented as P2544 and following: GM's 2020 table 20OBDG04 checks incoming torque requests from the TCM for a wrong protection value, a broken rolling counter and implausible magnitudes, Type B. No manufacturer documents P258F publicly. CARB's rule requires output components driven by a computer to be checked for correct functional response where feasible, which is the logic behind such a code. Typical causes are CAN wiring, mismatched software after programming or a faulty module. Harsh shifts or reduced power can follow.
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
- Check engine lamp on
- Harsh or delayed shifts
- Reduced engine power
Most likely causes
- CAN wiring or connector fault between the modules
- Software levels of sending and receiving module do not match
- Low voltage or poor ground at one of the modules
- Sending control module internally faulty
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.
- It affects emissions.
What each character of P258F means
- P: Powertrain: engine and transmission
- 2: Generic code: same on every make
- 5: Speed and idle
- 8F: Specific fault in that system
Frequently asked questions
Can I keep driving with code P258F?
Drive gently to a repair shop. If it slips, you hear clunks, or it loses its gears, do not keep driving.
What causes code P258F?
The most common causes are: cAN wiring or connector fault between the modules; software levels of sending and receiving module do not match; low voltage or poor ground at one of the modules.
Related codes
- P2544Torque Management Request Input Signal A
- P2545Torque Management Request Input Signal A Range/Performance
- P0700Transmission Control System (MIL Request)
Sources
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.