Canada - Engine Control - MIL ON DTC's P0138/P0607
BulletinTSB2799
Issue Date
May 26, 2010
Title
MIL "ON" DTC P0138 AND P0607
Component
ENGINE ELECTRICAL
Models
'10 RX350
INTRODUCTION:
Some North American produced 2010 model year RX350 vehicles may exhibit a MIL "ON" condition with the following Diagnostic Trouble Codes (DTCs) stored in the Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM).
- P0138 - Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2)
- P0607 - Control Module Performance
Use the following repair procedure to address this condition.
APPLICABILITY:
PRODUCTION CHANGE INFORMATION:
This TSB applies to vehicles produced BEFORE the Production Change Effective VIN shown.
WARRANTY INFORMATION:
REQUIRED TOOLS & EQUIPMENT:
REPAIR PROCEDURE:
1. Using ETAS Techstream, confirm DTCs P0138 and P0607 are present.
2. Inspect connector AF2 for any signs of corrosion or moisture intrusion.
- If any concerns are noted with connector AF2, refer to TSB2791, "Water Intrusion from A-Pillar Seam Sealer", for the appropriate repair procedure.
- If NO concerns are noted with connector AF2, refer to TSB2678, "MIL 'ON' DTC P0138 and/or P0158 Diagnostic Tips", for further diagnostic information.
3. After the repair is completed clear all DTCs and test drive the vehicle to confirm the condition has been corrected.
NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.