Volkswagen Passat
P0135
The P0135 code indicates a malfunction in the oxygen sensor heater circuit of the upstream oxygen sensor on a Volkswagen Passat B8 (2015-2022). This issue may lead to poor fuel economy and increased emissions.
1 SolutionP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Electrical
Symptoms
5 common
- •Check engine light illuminated
- •Rough idle or fluctuating RPMs
- •Decreased fuel efficiency
- +2 more
Most Affected Generations
1 generation
B9
1
Top Affected Components
1 component
Electrical
1
Severity Levels
1 level
medium
1
Quick Facts
1
Total Solutions
1
Affected Components
5
Common Symptoms
1
Generations
All Solutions
Showing 1 of 1 solution for error code P0135 across all generations.
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