February 2022
Service Manual
Diagnostics
Part No. 1314708GT
GRC
™
85
Type "PXXX" Faults
DTC
Number
Message on
GCON LCD
Description
Possible Causes
Failure Mode
P001:
P001:PWR FAULT
SW PWR1:BAT-
Short circuit of the switched power #1
circuit to battery negative.
• Short circuit in switched power #1, down limit
switch, pothole limit switch, digital tilt switch
harness.
• GCON ECM.
All functions
inhibited.
P003:
P003:PWR FAULT
SW PWR1:BAT+
Short circuit of the switched power #1
circuit to battery positive.
• Short circuit in switched power #1, down limit
switch, pothole limit switch, digital tilt switch
harness.
• GCON ECM.
All functions
inhibited.
P004:
P004:DEVICEFAULT
HORN:BAT-
Short circuit of the automotive horn circuit to
battery negative.
• Short circuit in automotive horn harness.
• Automotive horn short circuit.
• GCON ECM.
Automotive horn
inhibited.
P005:
P005:DEVICEFAULT
HORN:OPEN
Open circuit of the automotive horn circuit.
• Open circuit in automotive horn harness.
• Automotive horn open circuit.
• GCON ECM.
Automotive horn
inhibited.
P006:
P006:DEVICEFAULT
HORN:BAT+
Short circuit of the automotive horn circuit to
battery positive.
• Short circuit in automotive horn harness.
• Automotive horn short circuit.
• GCON ECM.
Automotive horn
inhibited.
P007:
P007:DEVICEFAULT
GCON ALARM:BAT-
Short circuit of the GCON alarm circuit to
battery negative.
• Short circuit in GCON alarm harness.
• GCON alarm short circuit.
• GCON ECM.
GCON alarm
inhibited.
P009:
P009:DEVICEFAULT
GCON ALARM:BAT+
Short circuit of the GCON alarm circuit to
battery positive.
• Short circuit in GCON alarm harness.
• GCON alarm short circuit.
• GCON ECM.
GCON alarm
inhibited.
P013:
P013:PWR FAULT
PCON PWRET:BAT-
Short circuit of the PCON power return
circuit to battery negative.
• Short circuit in PCON power return harness.
• GCON ECM.
All functions
inhibited.
P015:
P015:PWR FAULT
PCON PWRET:BAT+
Short circuit of the PCON power return
circuit to battery positive.
• Short circuit in PCON power return harness.
• GCON ECM.
All functions
inhibited.
P018:
018:PWR FAULT
PCON POWER:BAT-
Short circuit of the PCON power circuit to
battery negative.
• Short circuit in PCON power harness.
• GCON ECM.
All functions
inhibited.
P019:
018:PWR FAULT
PCON POWER:BAT+
Short circuit of the PCON power circuit to
battery positive.
• Short circuit in PCON power harness.
• GCON ECM.
All functions
inhibited.
Summary of Contents for Genie GRC-12
Page 113: ...February 2022 Service Manual 101 Electrical Schematic GRC Options...
Page 115: ...February 2022 Service Manual 103 Electrical Schematic GRC from GRC11 1000 to GRC11 1078...
Page 118: ...Service Manual February 2022 106 Electrical Schematic GRC from GRC11 1000 to GRC11 1078...
Page 119: ...February 2022 Service Manual 107 Electrical Schematic GRC from GRC11 1079 to GRC14 1780...
Page 122: ...Service Manual February 2022 110 Electrical Schematic GRC from GRC11 1079 to GRC14 1780...
Page 123: ...February 2022 Service Manual 111 Electrical Schematic GRC from GRC14 1781 to GRC15 2343...
Page 126: ...Service Manual February 2022 114 Electrical Schematic GRC from GRC15 2344 to GRC16P 2481...
Page 127: ...February 2022 Service Manual 115 Electrical Schematic GRC from GRC16P 2482 to GRC16P 2562...
Page 130: ...Service Manual February 2022 118 Electrical Schematic GRC from GRC16P 2563 to GRCP 5999...
Page 131: ...February 2022 Service Manual 119 Hydraulic Schematic GRC from GRC11 1000 to GRC12 1168...
Page 135: ......