REV ASeptember2016Section 5 • Diagnostics5 - 8 GRC Part No. 227123Type "HXXX" FaultsDTCNumberMessage onGCON LCDProblemDescriptionPossibleCausesFailureModeH001 H001:COILFAULTPLAT UP1:Bat-Short circuit of the platform up#1 circuit to battery negative.• Short circuit in platform up #1 harness.• Platform up #1 coil short circuit.• GCON ECM.Platform upfunction inhibited.H002 H002:COILFAULTPLAT UP1:OpenOpen circuit in the platform up#1 circuit.• Open circuit in platform up #1 harness.• Platform up #1 coil open circuit.• GCON ECM.Platform upfunction inhibited.H003 H003:COILFAULTPLAT UP1:Bat+Short circuit of the platform up#1 circuit to battery positive.• Short circuit in platform up #1 harness.• Platform up #1 coil short circuit.• GCON ECM.All functionsinhibited exceptplatform down.H009 H009:COILFAULTPLAT DOWN1:Bat+Short circuit of the platform up#1 circuit to battery positive.• Short circuit in platform up #1 harness.• Platform up #1 coil short circuit.• GCON ECM.All functionsinhibited.H013 H013:COILFAULTDRIVE FWD1:Bat-Short circuit of the driveforward #1 circuit to batterynegative.• Short circuit in drive forward #1 harness.• Drive forward #1 coil short circuit.• GCON ECM.Drive forwardfunction inhibited.H014 H014:COILFAULTDRIVE FWD1:OpenOpen circuit in the driveforward #1 circuit.• Open circuit in drive forward #1 harness.• Drive forward #1 coil open circuit.• GCON ECM.Drive forwardfunction inhibited.H015 H015:COILFAULTDRIVE FWD1:Bat+Short circuit of the driveforward #1 circuit to batterypositive.• Short circuit in drive forward #1 harness.• Drive forward #1 coil short circuit.• GCON ECM.All functionsinhibited exceptplatform down.H019 H019:COILFAULTDRIVE REV1:Bat-Short circuit of the drivereverse #1 circuit to batterynegative.• Short circuit in drive reverse #1 harness.• Drive reverse #1 coil short circuit.• GCON ECM.Drive reversefunction inhibited.H020 H020:COILFAULTDRIVE REV1:OpenOpen circuit in the drivereverse #1 circuit.• Open circuit in drive reverse #1 harness.• Drive reverse #1 coil open circuit.• GCON ECM.Drive reversefunction inhibited.H021 H021:COILFAULTDRIVE REV1:Bat+Short circuit of the drivereverse #1 circuit to batterypositive.• Short circuit in drive reverse #1 harness.• Drive reverse #1 coil short circuit.• GCON ECM.All functionsinhibited exceptplatform down.H027 H027:COILFAULTSTEER RT:Bat+Short circuit of the steer rightcircuit to battery positive.• Short circuit in steer right harness.• Steer right coil short circuit.• GCON ECM.All functionsinhibited exceptplatform down.H030 H030:COILFAULTSTEER LT:Bat+Short circuit of the steer leftcircuit to battery positive.• Short circuit in steer right harness.• Steer right coil short circuit.• GCON ECM.All functionsinhibited exceptplatform down.H067 H067:FAULTMC ENABLE:Bat-Short circuit of the motorcontroller circuit to batterynegative.• Short circuit in motor controller enable wire.• Motor Controller.• GCON ECM.• Contactor Coil.All functionsinhibited exceptplatform down.H069 H069:FAULTMC ENABLE:Bat+Short circuit of the motorcontroller circuit to batterypositive.• Short circuit in motor controller enable wire.• Motor Controller.• GCON ECM.All functionsinhibited exceptplatform down.H070 H070:FAULTMC THROTTLE:Bat-Short circuit of the motorcontroller throttle circuit tobattery negative.• Short circuit in motor controller throttle wire.• Motor Controller.• GCON ECM.All functionsinhibited exceptplatform down.H072 H072:FAULTMC THROTTLE:Bat+Short circuit of the motorcontroller throttle circuit tobattery positive.• Short circuit in motor controller throttle wire.• Motor Controller.• GCON ECM.All functionsinhibited exceptplatform down.H078 H078:COILFAULTPLAT DOWN1Short circuit of the platformdown #1 circuit to batterypositive/negative or opencircuit.• Short or open circuit in platform down #1harness.• Platform down #1 coil short or open circuit.• GCON ECM.Platform downfunction inhibited.H080 H080:COILFAULTSTEER LEFTShort circuit of the steer leftcircuit to battery negative oropen circuit.• Short or open circuit in steer left harness.• Steer left coil short or open circuit.• GCON ECM.Steer left functioninhibited.H081 H081:COILFAULTSTEER RIGHTShort circuit of the steer rightcircuit to battery negative oropen circuit.• Short or open circuit in steer right harness.• Steer right coil short or open circuit.• GCON ECM.Steer right functioninhibited.