P0046 is set when Boost error out of calibration range for 7.5 seconds or Boost error is 10bar and boost feed-back atmospheric pressure is 10bar for 7.5 seconds. This code is due to VGT Control solenoid valve component.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Signal monitoring |
•
VGT Control solenoid valve circuit
•
VGT Control solenoid valve component | ||
Enable Conditions |
•
Engine Running | |||
Threshold Value |
•
Boost error out of calibration range for 7.5 seconds.
•
Boost error is 10bar and boost feed-back atmospheric pressure is 10bar for 7.5 seconds. | |||
Diagnostic Time |
•
2000ms | |||
Fail Safe | Fuel cut | NO | ||
EGR Off | YES | |||
Fuel Limit | YES | |||
MIL | NO |