DongFeng E70 User Manual

Troubleshooting
4.3-6
DTC of VCU (independently-developed motor)
Trouble code
DTC Description
Fault causes
Recommended
countermeasures
B1500
Ignition key position signal
abnormal
Key switch sensor abnormal
Replace the key.
B1501
High accelerator pedal angle
signal voltage
High accelerator pedal angle
signal voltage
Replace the accelerator pedal
assembly.
B1502
Low accelerator pedal angle
signal voltage
Low accelerator pedal angle
signal voltage
Accelerator pedal assembly
B1507
Vehicle POST failure
Motor or battery failed
Inspect the power system.
P2304
Vacuum sensor failure
Sensor short to ground; sensor
short to the power supply;
sensor open; sensor signal not
in the effective range.
Replace the vacuum sensor.
P2310
Vacuum pump failed or
vacuum system leaking
Vacuum system leaking or
vacuum pump working timeout
Voltage is within normal range
or re-power on
P2318
Master cylinder pressure
sensor or circuit fault
Sensor or circuit failed
Replace the master cylinder
pressure sensor and inspect
the related wire harness.
P2319
Master cylinder pressure
sensor signal abnormal
Sensor failed
Replace the master cylinder
pressure sensor.
P2320
Brake lamp switch sensor or
circuit failed
Sensor or circuit failed
Replace the brake lamp switch
sensor and inspect the related
wire harness.
P2322
P gear control unit position
sensor failed
P gear control unit reporting
failure
Inspect if the P gear
engagement/disengagement
can be self-recovered,
otherwise the P gear control
unit assembly needs to be
replaced.
P2323
P gear control unit actuator
motor failed
PCU reporting fault
Check if the p-gear
engagement/disengagement
can be recovered
automatically; otherwise,
replace the PCU assembly
P2324
P gear control unit locking
failure
PCU reporting fault
Check if the p-gear
engagement/disengagement
can be recovered
automatically; otherwise,
replace the PCU assembly
P2325
P gear control unit unlocking
failure
PCU reporting fault
Check if the p-gear
engagement/disengagement
can be recovered
automatically; otherwise,
replace the PCU assembly
P2326
P gear control unit unknown
status failure
PCU reporting fault
Check if the p-gear
engagement/disengagement
can be recovered
automatically; otherwise,
replace the PCU assembly
P0561
Battery voltage abnormal
Battery failure or loss of
electricity
Replace the battery.
U0294
BMS communication loss
BMS failed or wire harness
fault
Inspect the wire harness and
the BMS.
U0292
MCU communication loss
MCU failed or wire harness
fault
Inspect the wire harness and
the MCU.
U0155
Instrument communication loss
Instrument failed or wire
harness fault
Inspect the wire harness and
the instrument.
U0116
A/C communication loss
A/C control unit failed or wire
harness fault
Inspect the wire harness and
A/C control unit.
U0121
ABS communication loss
ABS failed or wire harness fault
Inspect the wire harness and
the ABS.
U0140
BCM communication loss
BCM failed or wire harness
fault
Inspect the wire harness and
the BCM.
U0131
EPS communication loss
EPS failed or wire harness fault
Inspect the wire harness and
the EPS.

DongFeng E70 Specifications

General

Brand	DongFeng
Model	E70
Category	Automobile
Language	English