Jerky low-speed shifting, shudder. Solution: PCM update to calibration GV6A-12A650-AGC (revised clutch engagement logic). Result: 80% improvement in shudder. Requires TCM reset afterward.
You must have an active Extended License to access programming functions. Step 1: Backup Your Configuration
The ForScan PCM update process is relatively straightforward, but it does require some technical expertise. Here's a general overview of the steps involved:
