Fault code P0138 – a step-by-step guide to diagnosing and fixing it

The meaning of error code P0138 – O2 Sensor Circuit High Voltage (Bank 1, Sensor 2)

P0138

Search your trouble code

P0420
P0171
P0300
P0113
P0340
P0335
P0128
P0172
P0011
P0016
P0102
P0135
P0299
P0301
P0401
P0430
P0087
P0101
P0141
P0174
P0302
P0303
P0304
P0441
P0442
P0700
P0014
P0031
P0106
P0118
P0446
P0500
P0010
P0122
P0134
P0138
P0325
P0341
P0443
P0017
P0030
P0037
P0089
P0100
P0107
P0108
P0121
P0130
P0234
P0403

Cars the fault code P0138 is most commonly found on

Fault code P0138 - O2 Sensor Circuit High Voltage (Bank 1, Sensor 2) can occur with any car but is most often found on the following cars:

Ford
Nissan: Micra, Qashqai
Toyota: Prius, Corolla
Honda: Civic, Accord, Jazz
Jeep: Wrangler, Cherokee

If you get the code P0138 on your car, make sure that the diagnostics are carried out correctly and the error is still relevant. Check for symptoms associated with the problem and explore options for resolving it.

How to change front wheel bearing on MERCEDES-BENZ M W163 TUTORIAL | AUTODOC

142K views

Published on: 26/07/2018
How to change fuel filter BMW 3 (E90) [TUTORIAL AUTODOC]

189K views

Published on: 17/04/2019
How to change Front wheel bearing on VW GOLF 4 TUTORIAL | AUTODOC

158K views

Published on: 26/07/2018
How to change a rear brake pads FORD FOCUS 3 TUTORIAL | AUTODOC

163K views

Published on: 27/07/2018
How to change pollen filter / cabin filter on AUDI A6 (C6) [TUTORIAL AUTODOC]

120K views

Published on: 25/10/2019
How to change rear brake discs and brake pads on PEUGEOT 307 [TUTORIAL AUTODOC]

127K views

Published on: 31/08/2016
How to change fuel filter NISSAN X-TRAIL T30 TUTORIAL | AUTODOC

123K views

Published on: 27/07/2018
How to change front wheel bearing TOYOTA YARIS XP10 TUTORIAL | AUTODOC

115K views

Published on: 26/07/2018

How to change serpentine belt on MERCEDES-BENZ A-Class (W169) – replacement guide

Free download PDF
1.38 MB
How to change fuel filter on BMW 1 Hatchback (E87) – replacement guide

Free download PDF
1.99 MB
How to change engine thermostat on VW Golf VI Hatchback (5K1) – replacement guide

Free download PDF
4.12 MB
How to change water pump & timing belt kit on Ford Fiesta JA8 – replacement guide

Free download PDF
7.83 MB
How to change manual gearbox oil on AUDI A4 Avant (8K5, B8) – replacement guide

Free download PDF
1.22 MB
How to change water pump & timing belt kit on Peugeot 307 SW – replacement guide

Free download PDF
7.01 MB

Want to get more useful information?

Ask questions or share your repair experience on the car forum. Subscribe to updates so you don't miss out on new guides.

What to do if your car's air conditioning isn't working properly | AUTODOC tips

6K views

Published on: 05/08/2021
TOP 5 mistakes during DIY oil change | AUTODOC tips

34K views

Published on: 17/06/2021
5 car tips for a winter's day | AUTODOC tips

5K views

Published on: 05/02/2024
How to start a car after a long idle period | AUTODOC tips

6K views

Published on: 20/05/2021

Install the AUTODOC CLUB app!

Your personal car expenses manager, maintenance tips, reminders about upcoming appointments and service intervals, DIY repair instructions – all this on your phone.