Geely Emgrand X7. Manual part — 347

5

Use fault diagnosis tester to confirm if DTC is stored again.

A. Connect fault diagnosis tester to the data link connector.

B. Rotated ignition switch to ON position.

C. Clear DTC code.

D. Start and run the engine at idle speed to warm up the engine for at least 5min.

E. Read control system DTC code again to confirm that the system has no DTC code exported.

6 Troubleshooting

5. Maintenance

guide:

Replace Automatic transmission control module, refer to3.5.7.8 replace automatic transmission control module

Yes

No

Next

Refer to 2.2.7.3 Intermittent Fault Inspection for
intermittent fault.

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3.5.7.30 U160E

1. DTC

description:

DTC U160E BOSCH underlying software error

The hardware and underlying software of the transmission control unit (TCU) are designed by BOSCH. When the
underlying software of the transmission control unit (TCU) encounters an error, the system will report this
diagnostic testing code (DTC).

2. Conditions For Setting DTC and The Fault Position :

DTC code

DTC detection

strategy

Conditions for setting the DTC (control

strategy)

Fault position s

U160E

Hardware circuit

Inspection

1.ignition switch is in ON position

1. TCU

3. Diagnostic

procedures:

Note: Before carrying out this diagnosis step, observe the data list on fault diagnosis tester and analyze the
accuracy of the data, as these will help with quick diagnosis.

1

Read the fault code again after clearing away the fault code to Check if fault codes, except DTC
U160E exist in the control system.

A. Connect fault diagnosis tester to the datalink connector.

B. Rotated ignition switch to ON position

C. Switch on fault diagnostic device power supply

D. Clear DTC code.

E. Reset reading fault code, and check if DTCs meet setting condition of fault code in current

DTC Codes Shown

To Step

DTC U160E

Yes

DTC other than DTC U160E

No

2

Switch off the ignition switch, and then switch on the ignition switch again,

No

Yes

Refer to3.4.7.6 fault diagnosis code (DTC)
chapter index

1388

3

Switch off the ignition switch again, and then switch on the ignition switch again,

4

Switch off the ignition switch again, and then switch on the ignition switch again,

5

Use fault diagnosis tester to confirm if DTC is stored again .

A. Connect fault diagnosis tester to the data link connector.

B. Rotated ignition switch to ON position.

C. Clear DTC code.

D. Start and run the engine at idle speed to warm up the engine for at least 5min.

E. Read control system DTC code again to confirm that the system has no DTC code exported.

6 ReplaceTCU

Refer to3.5.7.8 replace automatic transmission control module

7

Go to automatic transmission fresh process.

Refer to3.5.7.4 Automatic transmission refresh process

8

Use fault diagnosis tester to confirm if DTC is stored again.

A. Connect fault diagnosis tester to the data link connector.

B. Rotated ignition switch to ON position.

C. Clear DTC code.

D. Start and run the engine at idle speed to warm up the engine for at least 5min.

E. Read control system DTC code again to confirm that the system has no DTC code exported.

Next

Next

Next

No

Yes

Troubleshooting

Next

Next

1389

9 Troubleshooting

5. Maintenance

guide:

Replace Automatic transmission control module, refer to3.5.7.8 replace automatic transmission control module

Yes

No

Refer to 2.2.7.3 Intermittent Fault Inspection for
intermittent fault.

1390