DTC Troubleshooting: C0030-38, C0033-38, C0036-38, C0039-38
DTC C0030-38: Magnetic Encoder (Left Front) Failure (Pulse Missing)
DTC C0033-38: Magnetic Encoder (Right Front) Failure (Pulse Missing)
DTC C0036-38: Magnetic Encoder (Left Rear) Failure (Pulse Missing)
DTC C0039-38: Magnetic Encoder (Right Rear) Failure (Pulse Missing)
NOTE: Before you troubleshoot, review the general troubleshooting information.

DTC Description
DTC
Freeze Frame
C0030-38 Magnetic Encoder (Left Front) Failure (Pulse Missing)
    
C0033-38 Magnetic Encoder (Right Front) Failure (Pulse Missing)
    
C0036-38 Magnetic Encoder (Left Rear) Failure (Pulse Missing)
    
C0039-38 Magnetic Encoder (Right Rear) Failure (Pulse Missing)
    

1.
Problem verification:

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

?2.
Clear the DTC with the HDS.


?3.
Turn the vehicle to the OFF (LOCK) mode.

?4.
Test-drive the vehicle on the road in a straight line over 19 mph (30km/h) for 30 seconds or more.
NOTE: Drive the vehicle on the road, not on a lift.

?5.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
C0030-38 Magnetic Encoder (Left Front) Failure (Pulse Missing)
    
C0033-38 Magnetic Encoder (Right Front) Failure (Pulse Missing)
    
C0036-38 Magnetic Encoder (Left Rear) Failure (Pulse Missing)
    
C0039-38 Magnetic Encoder (Right Rear) Failure (Pulse Missing)
    

Is DTC C0030-38, C0033-38, C0036-38, or C0039-38 indicated?

     
YES
     
     
     
The failure is duplicated. Go to step 2.
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting. 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.
Magnetic encoder check:

Magnetic encoder check
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Inspect the appropriate magnetic encoder for damage, debris, and correct installation.
DTC
Appropriate Magnetic Encoder
Note
C0030-38
Left-front
Remove the driveshaft outboard joint from the appropriate wheel hub.
C0033-38
Right-front
C0036-38
Left-rear
Remove the hub bearing unit.
C0039-38
Right-rear

Is the magnetic encoder surface OK?

     
YES
     
     
     
Check for loose terminals and poor connections in the VSA modulator-control unit 46P connector. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. If they are OK, replace the VSA modulator-control unit.?
     
NO
     
     
     
Clean the debris from the appropriate magnetic encoder surface on the wheel bearing or the hub bearing unit. If the DTC is still present, replace the appropriate wheel bearing or the hub bearing unit.?