Toyota TSB #T-SB-0027-16

2012 Toyota Prius v

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

Date Published: MAR 31, 2016
NHTSA TSB #: 10096982

Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Toyota for this TSB. Call your local Toyota dealer's service department & ask for a copy of TSB# T-SB-0027-16.

Summary: TSB: SOME PRIUS, PRIUS V, AND PRIUS PHV VEHCILES MAY EEXHIBVIT A ROUGH IDLE OR TAPPING NOISE FROM THE HV TRANSAXLE AT COLD START. THE CHECK ENGINE LIGHT MAY ALSO ILLUMINATE WITH (DTC) P0401 (EXHAUST GAS RECIRCULATION FLOW INSUFFICIENT DETECTED). DUE TO EXCESS CARBON BUILD-UP AT THE VALVE ASSEMBLY, THE VALVE WILL STICK, CAUSING THE ENGINE RPM TO FLUCTUATE. FOLLOW THE PROCEDURES IN THIS BULLETIN TO ADDRESS THE CONDITION.