Case IH fault codes & repair guides

All 9,847 codes· 50 per page · page 150 of 197

Case IH fault codes with controller, issue summary and a link to the full repair manual
CodeControllerIssue summaryRepair manual
518683-13 - ACMACMRear hitch settings selector knob is disconnectedFull repair manual for code 518683-13 - ACM, ACM
518684-02 - ACMACMHitch settings selector knob switch circuit fault.Full repair manual for code 518684-02 - ACM, ACM
518685-00 - ACMACMHitch settings selector knob internal failureFull repair manual for code 518685-00 - ACM, ACM
518685-01 - ACMACMInternal failure in the hitch settings selector knobFull repair manual for code 518685-01 - ACM, ACM
518685-03 - ACMACMHitch Settings Knob Voltage HighFull repair manual for code 518685-03 - ACM, ACM
518685-06 - ACMACMHitch settings selector knob voltage lowFull repair manual for code 518685-06 - ACM, ACM
518685-13 - ACMACM (Armrest Control Module)Hitch settings selector knob disconnectedFull repair manual for code 518685-13 - ACM, ACM (Armrest Control Module)
518686-02 - ACMACMHitch settings adjustment knob switch circuit faultFull repair manual for code 518686-02 - ACM, ACM
518687-02 - ACMACMRear hitch draft sensitivity switch circuit faultFull repair manual for code 518687-02 - ACM, ACM
518688-02 - ACMACM (Armrest Controller Module)Rear hitch max depth switch circuit faultFull repair manual for code 518688-02 - ACM, ACM (Armrest Controller Module)
518689-02 - ACMACMRear hitch max height switch circuit faultFull repair manual for code 518689-02 - ACM, ACM
518709-02 - ACMACMPhone display shortcut switch circuit faultFull repair manual for code 518709-02 - ACM, ACM
518710-02 - ACMACMHeadland management system play switch circuit faultFull repair manual for code 518710-02 - ACM, ACM
518714-02 - ACMACMHeadland management system record switch circuit faultFull repair manual for code 518714-02 - ACM, ACM
518724-02 - ACMACMRear hitch lower rate switch circuit faultFull repair manual for code 518724-02 - ACM, ACM
518725-02 - ACMACMRear hitch raise rate switch circuit faultFull repair manual for code 518725-02 - ACM, ACM
518840-04 - VCMVCM12VA supply voltage lowFull repair manual for code 518840-04 - VCM, VCM
518841-04 - VCMVCM12VB supply voltage lowFull repair manual for code 518841-04 - VCM, VCM
518843-04 - VCMVCM12VD supply voltage lowFull repair manual for code 518843-04 - VCM, VCM
518847-04 - VCMVCMVCM 12VF1 Supply Voltage LowFull repair manual for code 518847-04 - VCM, VCM
518848-04 - VCMUCM / VCMRail 12VF2 - Bucket Extend Input Power Off / 12VF2 supply voltage lowFull repair manual for code 518848-04 - VCM, UCM / VCM
518849-04 - VCMVCMVCM - 12VF3 supply voltage low / Rail 12VF3 Input Power OffFull repair manual for code 518849-04 - VCM, VCM
518851-04 - VCMVCM12VH supply voltage lowFull repair manual for code 518851-04 - VCM, VCM
518852-04 - VCMVCM / UCM12VH1 supply voltage lowFull repair manual for code 518852-04 - VCM, VCM / UCM
518853-04 - VCMVCMVCM - Rail 12VM - Left And Right Brake Lights And Aux Extend Input Power OffFull repair manual for code 518853-04 - VCM, VCM
518854-04 - VCMVCM12VR supply voltage lowFull repair manual for code 518854-04 - VCM, VCM
518855-04 - VCMVCM12VS1 supply voltage lowFull repair manual for code 518855-04 - VCM, VCM
518857-04 - VCMVCMVCM - Rail 12VT1 - Two Speed Input Power OffFull repair manual for code 518857-04 - VCM, VCM
518858-04 - VCMVCM12VU1 supply voltage lowFull repair manual for code 518858-04 - VCM, VCM
518859-04 - VCMVCM12VU2 supply voltage lowFull repair manual for code 518859-04 - VCM, VCM
518861-02 - BCMBCM (Body Control Module) or ATC (Automatic Temperature Control) ControllerATC (Automatic Temperature Control) heater control valve actuator - Data erratic, intermittent, or incorrectFull repair manual for code 518861-02 - BCM, BCM (Body Control Module) or ATC (Automatic Temperature Control) Controller
518861-03 - BCMBCM / ATCATC heater control valve actuator - Voltage above normal, or shorted to high sourceFull repair manual for code 518861-03 - BCM, BCM / ATC
518861-06 - BCMBCMATC water valve - over voltageFull repair manual for code 518861-06 - BCM, BCM
518861-12 - BCMBCMATC Heater Control Valve Actuator Permanent Electrical DefectFull repair manual for code 518861-12 - BCM, BCM
518862-02 - BCMBCMATC water valve / heater control valve - permanent electrical defectFull repair manual for code 518862-02 - BCM, BCM
518862-03 - BCMBCMATC recirculation box - reception errorFull repair manual for code 518862-03 - BCM, BCM
518862-06 - BCMBCMATC recirculation box / blend door actuator - over temperatureFull repair manual for code 518862-06 - BCM, BCM
518862-12 - BCMBCMSensor regulated power supply (5 V) - short to B+Full repair manual for code 518862-12 - BCM, BCM
518863-02 - BCMBCMATC left vent door actuator - reception errorFull repair manual for code 518863-02 - BCM, BCM
518863-03 - BCMBCMATC left vent door actuator overvoltage or short circuit to a high voltage sourceFull repair manual for code 518863-03 - BCM, BCM
518863-12 - BCMBCMPermanent electrical defect or overvoltage condition in the ATC left vent door actuator circuitFull repair manual for code 518863-12 - BCM, BCM
518864-02 - BCMBCMATC right vent door actuator - reception errorFull repair manual for code 518864-02 - BCM, BCM
518864-03 - BCMBCMATC right vent - permanent electrical defectFull repair manual for code 518864-03 - BCM, BCM
518864-06 - BCMBCMATC right vent door actuator - over voltage / current above normalFull repair manual for code 518864-06 - BCM, BCM
518864-12 - BCMBCMATC right vent door actuator - permanent electrical defectFull repair manual for code 518864-12 - BCM, BCM
518865-02 - BCMBCMATC defrost vent door actuator - reception errorFull repair manual for code 518865-02 - BCM, BCM
518865-03 - BCMBCMAutomatic Temperature Control (ATC) defrost vent door actuator - over voltageFull repair manual for code 518865-03 - BCM, BCM
518865-06 - BCMBCMATC defrost vent door actuator - over temperatureFull repair manual for code 518865-06 - BCM, BCM
518865-12 - BCMBCMATC defrost vent door actuator - permanent electrical defectFull repair manual for code 518865-12 - BCM, BCM
518866-02 - BCMBCMATC floor vent door actuator - reception errorFull repair manual for code 518866-02 - BCM, BCM