DTC P072A (Flash Code 22) No Drive in D Range (no supply oil pressure) (AWR6B45)

1. Transmission control system check

Refer to "55.Transmission Control 5A.Troubleshooting(AWR6B45) diagnostic system check-transmission controls".

2. ATF inspection

1) Inspect the ATF level and contamination.

2) Adjust or replace as necessary.

Refer to "5.Transmission, Transaxle 5B.Automatic(AWR6B45) ATF inspection".

Procedure completion

=>Go to Current DTC check.

3. Current DTC check

1) Connect the scan tool.

2) Turn OFF the ignition switch for 30 seconds or more.

3) Start the engine and drive the vehicle in the D range.

4) Observe the DTC information with a scan tool. Is a DTC set?

Yes

=>Go to Line pressure test.

No

Go to Intermittent conditions of automatic transmission.

Refer to "206.Transmission, Transaxle 19D.Symptom(AWR6B45) Intermittent conditions of automatic transmission".

4. Line pressure test

1) Perform the line pressure test. Is the line pressure within the specified range?

Refer to "206.Transmission, Transaxle 19C.Functional Inspection(AWR6B45) measurement of the automatic transmission operating pressure".

Yes

=>Go to Clutch control solenoid (SL1) inspection.

No

Repair as necessary.

=>Go to Repair verification.

5. Clutch control solenoid (SL1) inspection

1) Inspect clutch control solenoid (SL1) in the valve body assembly. Is the result normal?

Refer to "5.Transmission, Transaxle 5B.Automatic(AWR6B45) transmission inspection".

Yes

Inspect the valve body, oil pump, and C1 clutch, and repair or replace as necessary.

=>Go to Repair verification.

No

Replace the valve body assembly.

Note

  • After replacing the valve body assembly, clear the self-learning data with a scan tool.

Refer to "5.Transmission, Transaxle 5B.Automatic(AWR6B45) transmission removal".

Refer to "5.Transmission, Transaxle 5B.Automatic(AWR6B45) transmission disassembly".

Refer to "5.Transmission, Transaxle 5B.Automatic(AWR6B45) transmission reassembly".

Refer to "5.Transmission, Transaxle 5B.Automatic(AWR6B45) transmission installation".

=>Go to Repair verification.

6. Repair verification

1) Clear the DTC with a scan tool.

2) Turn OFF the ignition switch for 30 seconds or more.

3) Start the engine and drive the vehicle in the D range.

4) Observe the DTC information with a scan tool.