DongFeng E70 User Manual

Troubleshooting
4.3-9
DTC of tire pressure monitoring system (TPMS)
Trouble code
DTC Description
Fault causes
Recommended
countermeasures
U3003
Low battery voltage
Low power of power system
Charge
High battery voltage
High power supply voltage of
power system
Reduce the power supply
voltage.
B1700
Effective sensor ID not
detected
1. ID not learned
2. Failure to read ID from
EEPROM
1. Re-learn the ID.
2. Replace the receiver
module.
B1701
Effective standard pressure not
detected
1. Standard pressure not set
2. Failure to read standard
pressure from EEPROM
1. Reset the standard pressure.
2. Replace the receiver
module.
B1702
Left front wheel failure to
receive tire pressure data
1.Sensor failed
2. Signal at the position that is
blocked by the obstacle
1. Replace the sensor.
2. Test if receiving can be
recovered when the vehicle is
running.
Low battery power of left front
wheel sensor
Sensor battery power lower
than 2.1 V
Replace the sensor.
B1703
Left rear wheel failure to
receive tire pressure data
1. Sensor failed
2. Signal at the position that is
blocked by the obstacle
1. Replace the sensor.
2. Test if receiving can be
recovered when the vehicle is
running.
Low battery power of left rear
wheel sensor
Sensor battery power lower
than 2.1 V
Replace the sensor.
B1704
Right front wheel failure to
receive tire pressure data
1.Sensor failed
2. Signal at the position that is
blocked by the obstacle
1. Replace the sensor.
2. Test if receiving can be
recovered when the vehicle is
running.
Low battery power of right front
wheel sensor
Sensor battery power lower
than 2.1 V
Replace the sensor.
B1705
Right rear wheel failure to
receive tire pressure data
1. Sensor failed
2. Signal at the position that is
blocked by the obstacle
1. Replace the sensor.
2. Test if receiving can be
recovered when the vehicle is
running.
Low battery power of right rear
wheel sensor
Sensor battery power lower
than 2.1 V
Replace the sensor.
U0001
CAN bus off
Node off because of trigger of
error frames
Check communication circuit
for abnormality, such as CANH
and CANL short circuit, etc.
U0121
Vehicle speed signal lost
ESC failed or disconnection,
instrument failed or
disconnection, or CAN wire
harness fault
Check the CAN wire harness,
instrument and ESC.
U0155
Instrument communication loss
Instrument failed or
disconnection, or CAN wire
harness fault
Check the CAN wire harness
and the instrument.
U0390
Software check code fault
Software updated
Update the software.

DongFeng E70 Specifications

General

Brand	DongFeng
Model	E70
Category	Automobile
Language	English