Fault 1 cab 33 spn 522120 fail 5, plus I don’t know where the coolant goes 100 percent no visible leak the oil looking good, coolant looking good , I appreciate it your help.
Cab 33 522120 5 conn X20, pin 20 Washer pump – Current below normal, or open circuit. C06.01 — Windshield Wiper/Washer G02.04 — SAM Cab
Check for moisture in the EGR to intake pipe. If you see moisture in there you found your leak EGR cooler. Easy to replace on DD15.
From what I understand he has a code for the washer fluid and he is also loosing coolant and can’t see any leaks.
