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Have a 2003 international 4300 with a dt466 hvac code

have a 2003 international 4300...
have a 2003 international 4300 with a dt466
hvac code
spn613; fmi 14
7:1
8:6
test procedures
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Answered in 19 hours by:
9/2/2021
Technician: Joe Green, Trainer and Tech replied 1 year ago
Joe Green
Joe Green, Trainer and Tech
Category: Medium and Heavy Trucks
Satisfied Customers: 548
Experience: ASE Master Certification In Automotive and Medium/Heavy Trucks and L2 Certification. College Instructor of Automotive Technology.
Verified

Hi, My name is***** will be happy to try to help. We can follow up as needed on here. Professionals are not employees of the site but users of the site and help on here as time allows depending on their daily schedule. Sorry to hear you're having troubles with this vehicle. Here are the code descriptions.

613 14 1 1 N/A HVAC Control Head air inlet fault This is a motor fault in the evaporator module. This motor controls the door in the evaporator module duct. Motor in the wrong position or jammed.

613 14 1 6 N/A AC service soon At the current operating ambient temperature the system has lost enough charge that service should be performed to insure continued AC performance.

613 14 1 7 N/A AC service now - low charge At the current operating ambient temperature the system has lost so much charge that the compressor must be shut off to prevent damage to it or other system components.

613 14 1 8 N/A AC service now - very low charge At the current operating ambient temperature the system has lost so much charge that the compressor must be shut off to prevent damage to it or other system components.

Most of these codes have to do with low refrigerant pressure. If the system has lost pressure and you have recharged it, the codes will need to be reset with DLB or a battery disconnect before the compressor will engage again. If the system is still showing low pressure after recharging you will need to test the pressure transducer.

Joe Green
Joe Green, Trainer and Tech
Category: Medium and Heavy Trucks
Satisfied Customers: 548
Experience: ASE Master Certification In Automotive and Medium/Heavy Trucks and L2 Certification. College Instructor of Automotive Technology.
Verified
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Joe Green
Joe Green
Joe Green, Trainer and Tech
Category: Medium and Heavy Trucks
Satisfied Customers: 548
548 Satisfied Customers
Experience: ASE Master Certification In Automotive and Medium/Heavy Trucks and L2 Certification. College Instructor of Automotive Technology.

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