All error codes By model: T1100T1500T1700T2300T2500T610T730T830T930Z5200Z6Z6200Z9 Model T2300 Error Code 02.1:YZ Problem Description Problem with Carriage PCA Corrective Action Options Turn off/on. Check Trailing Cable connection, Replace Carriage PCA, Replace Trailing cable & PCA Covers, Replace Engine PCA Schedule Service Call ⭢ (301) 340-0000 Email ⭢ Contact Us