DTC Troubleshooting: P0963
DTC P0963: CVT Drive Pulley Pressure Control Valve Circuit High
NOTE:
Before you troubleshoot, review the General Troubleshooting Information.
This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.

DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P0963 CVT Drive Pulley Pressure Control Valve Circuit High
      

1.
Problem verification:

Problem verification
?1.
Turn the vehicle to the ON mode.

?2.
Clear the DTC with the HDS.


?3.
Start the engine, and wait for at least 1 second.

?4.
Check for Pending or Confirmed DTCs with the HDS.
DTC Description
Confirmed DTC
Pending DTC
Freeze Frame
P0963 CVT Drive Pulley Pressure Control Valve Circuit High
      

Is DTC P0963 indicated?

     
YES
     
     
     
The failure is duplicated. Go to step 2.
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals between the CVT drive pulley pressure control solenoid valve and the PCM. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot.?
2.
CVT drive pulley pressure control solenoid valve check:

CVT drive pulley pressure control solenoid valve check
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Jump the SCS line with the HDS, and wait more than 1 minute.
NOTE: This step must be done to protect the PCM from damage.


?3.
Disconnect the following connector.
PCM connector C (51P)

?4.
Measure the resistance between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
PCM connector C (51P): disconnected
Test point 1
PCM connector C (51P) No. 4
Test point 2
Body ground

Is there 5.0?6.3 ??

     
YES
     
     
     
The CVT drive pulley pressure control solenoid valve is OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or replace the original PCM.?
     
NO
     
     
     
Go to step 3.
3.
Shorted wire check (DR LS line to power):

Shorted wire check (DR LS line to power)
?1.
Disconnect the following connector.
Solenoid wire harness A 8P connector

?2.
Turn the vehicle to the ON mode.

?3.
Measure the voltage between test points 1 and 2.
Test condition
Vehicle ON mode
 
Solenoid wire harness A 8P connector : disconnected
 
PCM connector C (51P): disconnected
Test point 1
PCM connector C (51P) No. 4
Test point 2
Body ground

Is there voltage?

     
YES
     
     
     
Repair a short to power in the DR LS wire between the solenoid wire harness A 8P connector and the PCM.?
     
NO
     
     
     
The DR LS wire is not shorted to power. Go to step 4.
4.
Open wire check (DR LS line):

Open wire check (DR LS line)
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
Solenoid wire harness A 8P connector: disconnected
 
PCM connector C (51P): disconnected
Test point 1
Solenoid wire harness A 8P connector (female terminals) No. 8 :
Test point 2
PCM connector C (51P) No. 4


Is there continuity?

     
YES
     
     
     
Go to step 5.
     
NO
     
     
     
Repair an open in the DR LS wire between the solenoid wire harness A 8P connector and the PCM.?
5.
Open wire check (GND line):

Open wire check (GND line)
?1.
Jump the SCS line with the HDS, and wait more than 1 minute.
NOTE: This step must be done to protect the PCM from damage.


?2.
Disconnect the following connectors.
PCM connector B (51P)

?3.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
PCM connector B (51P): disconnected
Test Circuit 1
  
Test point 1
PCM connector B (51P) No. 11
Test point 2
Body ground
Test Circuit 2
  
Test point 1
PCM connector B (51P) No. 12
Test point 2
Body ground

Are there continuity?

     
YES
     
     
     
Go to step 6.
     
NO
     
     
     
Repair an open in GND wire between the PCM and body ground (G101), or repair poor body ground (G101).?
6.
CVT drive pulley pressure control solenoid valve internal resistance check:

CVT drive pulley pressure control solenoid valve internal resistance check
?1.
Disconnect the following connector.
CVT drive pulley pressure control solenoid valve 2P connector

?2.
Measure the resistance between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
CVT drive pulley pressure control solenoid valve 2P connector: disconnected
Test point 1
CVT drive pulley pressure control solenoid valve 2P connector (male terminals) No. 1 :
Test point 2
CVT drive pulley pressure control solenoid valve 2P connector (male terminals) No. 2 :


Is there 5.0?6.3 ??

     
YES
     
     
     
Go to step 7.
     
NO
     
     
     
Faulty CVT drive pulley pressure control solenoid valve. Replace the valve body assembly.?
7.
Open wire check (DRC- line):

Open wire check (DRC- line)
?1.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
CVT drive pulley pressure control solenoid valve 2P connector: disconnected
Test point 1
CVT drive pulley pressure control solenoid valve 2P connector (female terminals) No. 1 :
Test point 2
Body ground


Is there continuity?

     
YES
     
     
     
Go to step 8.
     
NO
     
     
     
Repair an open in the DRC- wire between the CVT drive pulley pressure control solenoid valve and body ground (G161), or repair poor body ground (G161).?
8.
Determine opened wire in either solenoid wire harness A or B (DRC+ line):

Determine opened wire in either solenoid wire harness A or B (DRC+ line)
?1.
Disconnect the following connector.
Solenoid wire harness B 6P connector

?2.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
Solenoid wire harness A 8P connector: disconnected
 
Solenoid wire harness B 6P connector: disconnected
 
CVT drive pulley pressure control solenoid valve 2P connector: disconnected
Test point 1
Solenoid wire harness B 6P connector (male terminals) No. 1 :
Test point 2
CVT drive pulley pressure control solenoid valve 2P connector (female terminals) No. 2 :


Is there continuity?

     
YES
     
     
     
Repair an open in the DRC+ wire between the solenoid wire harness A 6P connector and the solenoid wire harness A 8P connector.?
     
NO
     
     
     
Repair an open in the DRC+ wire between the CVT drive pulley pressure control solenoid valve and the solenoid wire harness B 6P connector.?