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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 122 (Engine Control System Self Diagnostics - V6) >> Diagnostic Tests >> DTC P0604, DTC P0606, DTC P0607 & DTC P0657 >> Diagnosis & Repair

Diagnosis & Repair

WARNING: This page is about a different car, the 2003 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If DTCs P0604, P0606, P0607 and/or P0657 exists, the ECM will not store any other DTCs. Internal ECM error. Cause is ECM. Using Toyota hand-held tester or scan tool, read FREEZE FRAME data. Freeze frame data records engine conditions when malfunction is detected.

Replace ECM.

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