P0846 Nissan



This Ram developed a transmission problem right after the customer installed a new engine. Was setting two transmission codes, P0846 and P0770. P0846 Meaning The Transmission Control Module (TCM) monitors the Transmission Fluid Pressure Sensor/Switch signal. The TCM sets the OBDII code when the Transmission Fluid Pressure Sensor/Switch is not to factory specifications.

DTC Logic

DTC DETECTION LOGIC


DTC CONFIRMATION PROCEDURE

CAUTION:
Be careful of the driving speed.

1.PREPARATION BEFORE WORK

If another 'DTC CONFIRMATION PROCEDURE' occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.

>> GO TO 2.

2.CHECK DTC DETECTION

1. Start the engine.

2. Shift the selector lever to “D” position.

P0846

3. Drive the vehicle at a constant velocity of 40 km/h (25 MPH) at lease for 10 seconds.

P0846 nissan sentra 2013

CAUTION:
At the same time, the accelerator pedal angle must be maintained constant.

4. Stop the vehicle.

5. Check the first trip DTC.

Is “P0846”detected? YES >> Go to TM-425, 'Diagnosis Procedure'.

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK TCM INPUT SIGNAL

1. Start the engine.

2. Check the voltage between TCM connector terminal and ground.


Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-42, 'Intermittent Incident'.

NO >> There is a malfunction of the secondary pressure sensor value. Replace the transaxle assembly.

P0846 Nissan Versa 2012

Refer to TM-508, 'Removal and Installation'.

P0746 pressure control solenoid A
DTC Logic DTC DETECTION LOGIC NOTE: DC stands for 'DRIVING CYCLE' and indicates a series of driving cycle of 'Ignition switch OFF → ON → driving → OFF'. ...
P0847 transmission fluid pressure SEN/SW B
DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PREPARATION BEFORE WORK If another 'DTC CONFIRMATION PROCEDURE' occurs just before, turn ignition switch OFF and wait for a ...

P0846 Nissan Sentra 2012 Code

Other materials:

2012 Nissan Versa Code P0846

A/C on signal
Component Function Check 1.CHECK A/C ON SIGNAL With CONSULT-III 1. Turn ignition switch ON. 2. Operate blower motor. 3. Select “AIR CONDITIONER” of “BCM” using CONSULT-III. 4. Select “AIR COND SW” in “DATA MONITOR” mode. 5. Check A/C ON signal when the A/C switch is operated. Is the inspec ...

P0846 Nissan Sentra 2014

Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
NOTE: • Before removing and installing any control units, first turn the ignition switch to the LOCK position, then disconnect both battery cables. • After finishing work, confirm that all control unit connectors are connected properly, then re-connect both battery cables. • Always use CONS ...

Code P0846 Nissan Versa

Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
NOTE: • Before removing and installing any control units, first turn the ignition switch to the LOCK position, then disconnect both battery cables. • After finishing work, confirm that all control unit connectors are connected properly, then re-connect both battery cables. • Always use CONS ...