Tundra 2WD V8-4.6L (1UR-FE) (2010)
Parts Information
Required Tools & Equipment
Additional TIS Techstream units may be ordered by calling Approved Dealer Equipment (ADE).
TSB Overview
1. Confirm that DTC P0012 and/or P0022 is stored in the ECM.
2. Diagnose the Oil Control Valves (OCVs) for proper operation.
3. If the OCVs operate correctly replace both intake VVTi gear assemblies following the Repair Manual.
Diagnostic Procedure
1. Using TIS Techstream confirm that DTC P0012 and/or P0022 is stored in the ECM.
2. Remove the affected Oil Control Valve (OCV) and inspect for debris in the valve or evidence that the valve is stuck.
3. Check valve operation by applying positive (+) battery voltage to terminal 1 and negative (-) battery voltage to terminal 2. Valve should move
quickly when voltage is applied. If NOT valve should be replaced.
4. Reinstall the OCVs warm up the engine to over 167°F (75°C) and perform an Active Test using Tech stream.
Powertrain / Engine and ECT / Active Test / Control the WT System (Bank 1) or (Bank 2)
5. If there is NO debris and the OCV moves with battery voltage and Active Test functions - Replace both intake VVTi gears following the repair
procedure below.
Repair Procedure
1. Replace both intake VVTi gears.