P2815
Pressure Control Solenoid G Control Circuit High
Transmission
Generic OBD-II
Medium
What it means
P2815 means the control module sensed a high voltage (open or short-to-power) in the control circuit for pressure control solenoid G. With the solenoid not driven correctly, the transmission may shift harshly, lose a gear, or enter limp mode. It's an electrical fault, so focus on the solenoid's wiring, connector, and the solenoid itself rather than internal mechanical damage.
Medium
Can I keep driving? Often driveable but degraded — the solenoid may not respond, causing harsh shifts or limp mode; have it diagnosed soon.
Common symptoms
What you'll notice
- Check-engine light on
- Harsh, delayed, or flaring shifts (shift shock)
- Transmission slipping or defaulting to limp mode
- Loss of a specific gear or clutch apply
Common causes
Most likely first
- Open circuit or short to voltage in solenoid G's control wiring (reads high)Likely
- Corroded or loose connector at the solenoidCommon
- Faulty pressure control solenoid G (open internally)Common
- Faulty TCM driver for the solenoid (least likely)Less often
How to diagnose & fix
Work through it in order
- Read freeze-frame data and inspect the solenoid G connector and wiring for opens, shorts to power, or corrosion.
- With the circuit unplugged, measure solenoid resistance; an open or out-of-spec reading means the solenoid is bad.
- Check the harness for a short to a voltage source or a broken/high-resistance wire causing the high reading.
- If wiring and solenoid are good, suspect the TCM output driver. Clear and road-test.
FAQ
Quick answers
Is it safe to drive with P2815?+
Usually for short distances, but the transmission may shift roughly or drop into limp mode. Diagnose it soon to avoid further wear.
Can I just clear P2815?+
It comes back until the circuit fault is fixed. This is an electrical (high) fault, so repair the wiring or solenoid first.
Related codes
Often seen with P2815
Read & clear P2815 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