Engine Faults related to Telematics Device

(Cheat sheet)

Failure Mode	Indicator	Additional notes
Telematics Device: Firmware Update Applied Successfully	Fault Code = 132	Device Firmware received the expected/indicated version.
Telematics device fault: all power removed - device restarted	Fault Code = 130	Device stopped getting any power from the vehicle/asset. It then restarted after regaining power.
Telematics device fault: low voltage in power supply (bad battery or reinstall required- Device restarted	Fault Code = 131	Check vehicle/asset’s battery voltage, ensure the connection is solid, and check if the device is getting power (at least the red light comes on).
Telematics device fault: telematics device has been unplugged	Fault Code = 136	Device was unplugged from the vehicle/asset. No power reached the device until this message was reported.
Warning: vehicle battery has low voltage	Fault Code = 135	Check vehicle/asset’s battery voltage, ensure the connection is solid, and check if the device is getting power (at least the red light comes on).
Telematics device fault GPS quality poor (bad device install or vehicle undercover)	Fault Code = 139	Please check the device and follow the troubleshooting clock to see if the blue light comes on the device.
ALERT: Accident limit for acceleration exceeded	Fault Code = 166	Related to possible collision or loose/weak connection from the GO device to the vehicle/asset.
Telematics device fault: remove device and report to reseller - GPS module not responding	Fault Code = 140	Contact Support
Telematics device fault: remove device and report to reseller - GPS antenna unplugged	Fault Code = 145	Contact Support
Telematics device fault: problem communicating with engine - potential bad install - harness issue or device failure - CAN mode failed during normal operation	Fault Code = 147	Please check the device install and ensure it is secured with all needed zip ties. The red light must be turned on when starting the vehicle/asset. All three lights must eventually light up.
Excessive accelerometer events	Fault Code = 172	Please check the device install and ensure it is secured with all needed zip ties. The red light must be turned on when starting the vehicle/asset. All three lights must eventually light up.
Excessive accelerometer events over accident threshold	Fault Code = 174	Please check the device install and ensure it is secured with all needed zip ties. The red light must be turned on when starting the vehicle/asset. All three lights must eventually light up.
Low priority warning light on	Fault Code = 175	The fault read from the vehicle is a low priority and not critical. For more information, please use an official Scantool/Diagnosis machine from the manufacturer.
Fault - variable length data logging turned off due to excessive data	Fault Code = 478	Please check the device install and ensure it is secured with all needed zip ties. The red light must be turned on when starting the vehicle/asset. All three lights must eventually light up.
Fault - engine hours stale	Fault Code = 466	The fault read from the vehicle is related to the ECU not transmitting Engine hours info. There is nothing to be done but for more information, please use an official Scantool/Diagnosis machine from the manufacturer.
Telematics device fault: check device install - accelerometer disabled due to excessive data	Fault Code = 265	Please check the device install and ensure it is secured with all needed zip ties. The red light must be turned on when starting the vehicle/asset. All three lights must eventually light up.
Accelerometer calibration in progress (more driving required)	Fault Code = 281	Device is still figuring out how it is oriented inside the vehicle/asset, for axis assignment (x, y, z).
Telematics device fault: problem communicating with engine - potential bad install - harness issue or device failure - excessive errors detected on the CAN BUS and it is now in only listen mode	Fault Code = 287	Please check the device install and ensure it is secured with all needed zip ties. The red light must be turned on when starting the vehicle/asset. All three lights must eventually light up.
Telematics device fault low voltage in power supply (bad battery or reinstall required) Device restarted	Fault Code = 290	Check the vehicle battery and ensure the device is getting power (red light comes on).
Proprietary OEM fault, description unavailable	Fault Code = 491	The fault read from the vehicle is not a standard one. For more information, please use an official Scantool/Diagnosis machine from the manufacturer.