Jeep Grand Cherokee MDS Delete Service – MoPower ECU Programming

The Jeep Grand Cherokee HEMI combines rugged capability with powerful performance, but the factory Multi-Displacement System (MDS) often leads to issues like lifter failure, ticking noises, and reduced reliability. Our MDS Delete service permanently disables cylinder deactivation in your PCM, keeping all 8 cylinders active for consistent performance.

Why Choose an MDS Delete?

• Prevents common HEMI lifter and camshaft failures
• Ensures full-time V8 power and reliability
• Eliminates rough transitions and drone caused by MDS
• Improves throttle response and overall drivability
• Ideal for long-term reliability with performance upgrades

MoPower MDS Delete Features

• Permanent removal of MDS cylinder deactivation
• OEM PCM reflash with MDS disabled
• Works with 5.7L and 6.4L HEMI-equipped Jeep Grand Cherokees
• Supports model years 2005–2023
• Can be paired with MoPower custom tuning for extra performance

How It Works

Ship your PCM to MoPower Calibrations or visit an authorized MoPower tuner. We reprogram the ECU to permanently disable MDS, ensuring your Jeep Grand Cherokee delivers consistent V8 performance. No wiring changes or external modules required.

Important Disclaimer

MoPower Calibrations are sold for off-road use only. All performance Calibrations and Engine Control Units installed are at the customer’s own risk. MoPower Calibrations or www.mo-power.com holds no responsibility either implied or otherwise for mechanical, electrical, or other failure when using any aftermarket performance products from MoPower Calibrations. Items sold for off-road use only are illegal in many states and provinces and are intended for racing vehicles which may never be used on a public road or highway. Not for sale or use in the State of California.

The MoPower Difference

Protect your Jeep Grand Cherokee from lifter and camshaft issues with a MoPower MDS Delete. Enjoy consistent, full-time V8 power with the reliability and drivability your Jeep was built to deliver.