Karma P0036
HO2S Heater Control Circuit Bank 1 Sensor 2
Quick answer
P0036 is the diagnostic trouble code for “HO2S Heater Control Circuit Bank 1 Sensor 2.” Verified evidence applies this information to the 2018 Karma Revero in the US/North American market.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does P0036 mean?
P0036 is the diagnostic trouble code for “HO2S Heater Control Circuit Bank 1 Sensor 2.” Verified evidence applies this information to the 2018 Karma Revero in the US/North American market.
2. Technical explanation
For the applicable vehicle, Karma bulletin TB-18-12-05 addresses P0036 in connection with inspection of the secondary oxygen-sensor wiring. The bulletin identifies P0036 as HO2S Heater Control Circuit Bank 1 Sensor 2 and directs attention to correct sensor wiring routing, clip attachment, and possible water at the connector.
3. What system is affected?
Secondary oxygen sensor (Bank 1 Sensor 2) heater-control circuit and associated wiring/connector routing.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- Not yet established by verified evidence.
6. Possible causes
- Improper secondary oxygen-sensor wiring routing or clip attachment is identified for inspection in Karma bulletin TB-18-12-05.
- Water at the sensor connector is identified for inspection in Karma bulletin TB-18-12-05.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Arrange inspection by a Karma Automotive service provider or qualified service facility.
- Do not attempt high-voltage repair procedures based on this code.
- Provide the stored DTC P0036 and reference Karma bulletin TB-18-12-05 when seeking service.
10. Step-by-step troubleshooting
- For a 2018 Karma Revero in North America, inspect the secondary oxygen-sensor wiring for proper routing and correct clip attachment, as specified in TB-18-12-05.
- Inspect the relevant sensor connector for water, as specified in TB-18-12-05.
- No further diagnostic sequence is established by the supplied verified evidence.
11. When to contact service
Service is appropriate because the verified Karma bulletin provides specific inspection guidance for P0036 on the applicable 2018 Revero. Confirm that the service provider uses the latest available bulletin information.
12. What the service center may check
- Confirm DTC P0036 is present.
- Check proper secondary oxygen-sensor wiring routing.
- Check sensor-wiring clip attachment.
- Check the relevant connector for water.
13. Possible repair or resolution
- Not yet established by verified evidence. The supplied bulletin evidence describes inspection items but does not establish a specific repair outcome.
14. Affected vehicles
- Karma Revero · 2018 · US
15. Related TSBs / service bulletins
- Karma TB-18-12-05, published November 20, 2018 (NHTSA Manufacturer Communication MC-10152395-9999). Applicable to MY18 Revero, North America, presenting with associated DTCs. It directs inspection of secondary oxygen-sensor wiring routing, clip attachment, and the connector for water.
16. Recall information
- No recall information is established by the supplied verified evidence.
17. Official manufacturer information
Official source: NHTSA Manufacturer Communication MC-10152395-9999, Karma bulletin TB-18-12-05: https://static.nhtsa.gov/odi/tsbs/2018/MC-10152395-9999.pdf
19. Frequently asked questions
What does P0036 mean on an applicable Karma Revero?
It means “HO2S Heater Control Circuit Bank 1 Sensor 2.”
Which vehicle is covered by the supplied evidence?
The supplied applicability evidence covers the 2018 Karma Revero in the US/North American market.
What does the Karma bulletin instruct technicians to inspect?
The bulletin directs inspection of secondary oxygen-sensor wiring routing, clip attachment, and the connector for water.
Is it safe to drive or charge with P0036?
Not yet established by verified evidence.