John Deere HV1 fault codes / John Deere HV1 diagnostic trouble codes
NOTE:This page only indicates the meaning of the fault codes. For complete troubleshooting information, see the technical manuals.
HV1 000158.03 (HV1 158.03)— HV I Switched Supply Voltage High
Code Caused By: Switched supply voltage to Hitch Control Unit (HV I) above 16.0 V.
NOTE: Associated Codes: This code and other 000158.XX codes may be present in other control units. Since Vehicle Load Center (VLC) control unit wake-up circuit is voltage source, perform VLC code diagnostics first.
Control Unit Response: None
HV1 000158.04 (HV1 158.04)— HV I Switched Supply Voltage Low
Code Caused By: Switched supply voltage to Hitch Control Unit (HV I) below 9.0 V.
NOTE: Associated Codes: This code and other 000158.XX codes may be present in other control units. Since Vehicle Load Center (VLC) control unit wake-up circuit is voltage source, perform VLC code diagnostics first.
Control Unit Response: None
HV1 002035.09 (HV1 2035.09)— HCC Message Missing
Code Caused By: Hitch Valve Control Unit (HV I) not receiving required messages from the HCC.
Control Unit Response: None
HV1 004084.07 (HV1 4084.07)— HV I Not in FLOAT Position
Code Caused By: Hitch Control Valve (HV I) not going into FLOAT position.
Control Unit Response: None
HV1 004084.16 (HV1 4084.16)— HV I Overshot Commanded Position
Code Caused By: Hitch Control Valve (HV I) spool is over-shooting desired position.
Control Unit Response: None
HV1 004084.18 (HV1 4084.18)— HV I Failed to Reach Commanded Position
Code Caused By: Hitch Control Valve (HV I) spool is under-shooting desired position.
Control Unit Response: None
HV1 004085.07 (HV1 4085.07)— HV I Not in NEUTRAL Position
Code Caused By: Hitch Control Valve (HV I) is not in NEUTRAL position.
Alarm Level: Information
Control Unit Response: None
HV1 004085.12 (HV1 4085.12)— HV1 Control Unit Fault
Code Caused By: Hitch Valve Control Unit (HV I) software failed to execute in allotted time.
Alarm Level: Information
Control Unit Response: None