P1815 Shift Control Solenoid Malfunction

Category: Powertrain - Transmission
Severity: Check Engine Light
Applies to: Camry, Corolla, RAV4

What does P1815 mean on a Toyota?

P1815 — Shift Control Solenoid Malfunction. This Toyota-enhanced code applies to Camry, Corolla, RAV4.

Common causes of P1815

Failed shift control solenoid
Open or shorted solenoid circuit
Sticking shift valve
Low fluid level
TCM fault

How to fix P1815

Test solenoid resistance
Check fluid level and condition
Command the solenoid and verify shifts
Inspect the circuit
Replace the solenoid per response