Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Shift-Hold Control
Shift-hold control maintains transmission gear position during cornering to avoid frequently shifting. When the vehicle is cornering, the PCM extends the engagement of 2nd, 3rd, 4th, and 5th to prevent the transmission from frequently shifting between 3rd, 4th, 5th, and 6th gears. When the PCM determines that the vehicle is cornering by the accelerator pedal position, the vehicle speed, and the lateral G-force estimate from the RPM difference between each wheel, it delays the upshift from 3rd to 4th, 4th to 5th, and 5th to 6th gears, which improves the engine output and the engine braking. The transmission resumes the normal upshift pattern after the PCM determines that normal driving has resumed.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
No obligation. See pricing before you book.