Chery T21 2014 Service Manual page 903

DTC Code DTC Definition
Transmission Fluid
P0847 Pressure Sensor 'B'
Circuit Low
Transmission Fluid
P0848 Pressure Sensor 'B'
Circuit High
DTC Confirmation Procedure:
Confirm that battery voltage is between 11 and 14 V before performing the following procedures.
 Turn ignition switch to LOCK.
 Connect X-431 3G diagnostic tester (the latest software) to Data Link Connector (DLC), and make it
communicate with vehicle electronic module by the data network.
 Turn ignition switch to ON.
 Using X-431 3G diagnostic tester to record and clear the DTCs stored in the TCU.
 Turn ignition switch to LOCK and wait for a few seconds.
 Turn ignition switch to ON, and then select "Read Code".
 If DTC is detected, the malfunction indicated by the DTC is current. Go to the diagnosis procedure - Step 1.
 If DTC is not detected, the malfunction indicated by the DTC is intermittent. Please refer to Intermittent
DTC Troubleshooting.
Diagnosis Procedure
HINT:
After the fault is eliminated, verify DTC and symptom again.
1
Check wire harness connector
a. Turn ignition switch to LOCK.
b. Disconnect the secondary shaft pressure sensor connector.
c. Check if the secondary shaft pressure sensor connector is dirty, oxidized, loose or damaged.
Repair fault
NG
Chery Automobile Co., Ltd.
DTC Detection
Condition
The transmission
fluid pressure
sensor 'B' oil
pressure is less
than the
allowable min
value
Start engine and wait
for at least 10 seconds
The transmission
fluid pressure
sensor 'B' oil
pressure is more
than the
allowable max
value
18 - QR019CHB CVT
DTC Set
Possible Cause
Condition
 Transmission fluid
pressure sensor 'B'
failure
 Signal circuit open
or short circuit
 TCU signal circuit
failure
18
OK
69
18–