How do you troubleshoot AT oil temp warning light on 2001 Isuzu Rodeo?

To troubleshoot the AT oil temp warning light on a 2001 Isuzu Rodeo, first check the Transmission Fluid level and condition, ensuring it's at the proper level and not burnt or contaminated. Next, inspect the transmission cooler lines for leaks or blockages that could cause overheating. If the fluid is fine, use a diagnostic scanner to check for any transmission-related error codes that may indicate a malfunction. If issues persist, consider consulting a professional mechanic for further diagnosis.