Workshop Manual

6E–184

6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS

DTC P0137 –HO2S Circuit Low Voltage Bank 1 Sensor 2 (Cont'd)

Step NoYesValue(s)Action

7 Repair the short between the high and low circuits.

Is the action complete?

— Verify repair —

8 1. Ignition “OFF”.

2. Reconnect the PCM, leave HO2S 2 disconnected.

3. Ignition “ON”.

Does the Tech 2 indicate Bank 1 HO2S 2 voltage near

the specified value?

425-475 mV

Refer to

Diagnostic

Aids

Go to

Step 9

9 Replace the PCM.

IMPORTANT: The replacement PCM must be

programmed. Refer to

On-Vehicle Service

Powertrain Control Module and Sensors

for

procedures.

And also refer to latest Service Bulletin.

Check to see if the Latest software is released or not.

And then Down Load the LATEST PROGRAMMED

SOFTWARE to the replacement PCM.

Is the action complete?

— Verify repair —