Electrical - MIL ON/DTC's P0138 And P0607 Set

L-SB-0023-10

March 19, 2010

MIL "ON" DTC P0138 and P0607

Service Category
Engine/Hybrid System

Section
Engine Control

Market
USA





Applicability

Introduction

Some North American produced 2010 model year RX 350 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.

Production Change Information





This TSIB applies to vehicles produced BEFORE the Production Change Effective VINs shown.





Warranty Information





Required Tools & Equipment

NOTE
Additional TIS Techstream or Techstream Lite units may be ordered by calling Approved Dealer Equipment (ADE).

Repair Procedure

1. Using TIS 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 TSIB L-SB-0012-10, "Water Intrusion from A-Pillar Seam Sealer for the appropriate repair procedure.

^ If NO concerns are noted with connector AF2 refer to TSIB L-SB-0109-09, "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.