P2830
Pressure Control Solenoid K Control Circuit High
Transmission pressure control
Generic OBD-II
Medium
What it means
P2830 means the transmission controller sees high voltage on the control circuit for pressure control solenoid 'K' — usually an open circuit, a short to voltage, or an electrically open solenoid. That solenoid regulates hydraulic pressure to a clutch or shift element, so the practical result is harsh or slipping shifts and possible limp mode.
Medium
Can I keep driving? Usually, but poorly — expect harsh or slipping shifts and possible limp mode; extended driving can accelerate transmission wear.
Common symptoms
What you'll notice
- Check-engine light on, often with a transmission warning
- Harsh, delayed, or slipping shifts
- Transmission stuck in one gear or in limp/failsafe mode
- Flaring or hunting between gears
Common causes
Most likely first
- Open circuit or short-to-voltage in the solenoid 'K' control wiringLikely
- Failed or electrically open solenoidCommon
- Corroded or loose connector at the internal solenoid packCommon
- Damaged case connector or internal transmission harnessLess often
- Transmission control module driver fault (least likely)Less often
How to diagnose & fix
Work through it in order
- Read freeze-frame data and scan for other solenoid or pressure codes.
- Check transmission fluid level and condition.
- Inspect the solenoid circuit for an open or a short to voltage.
- Measure solenoid 'K' resistance; an open or out-of-spec reading confirms a failed solenoid.
- Repair the circuit or replace the solenoid/solenoid pack. Clear and re-test through all gears.
FAQ
Quick answers
Is it safe to drive with P2830?+
Short trips are usually possible, but shift quality is degraded and the transmission may be in limp mode. Fix it promptly to avoid further wear.
Can I just clear P2830?+
An open or shorted circuit will set it again right away. The wiring or solenoid needs to be repaired.
Related codes
Often seen with P2830
Read & clear P2830 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.
✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX