P0436 OBD-II: Catalyst Temperature Sensor Circuit Range/Performance

P0436 Severity

Moderate

Will P0436 go away on its own?

Once the vehicle's onboard system no longer detects the issue, most codes will disappear on their own. If your vehicle still has this code, however, it should be properly diagnosed to avoid a more serious problem.

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Moderate severity codes might not threaten the vehicle's safety or functionality immediately, but you should still get it diagnosed within a reasonable time frame to keep your car running well.

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What causes OBD-II fault code P0436?

The Catalytic Converter uses multiple temperature sensors to ensure that the Catalytic Converter is working properly and does not overheat. When the engine control module (PCM) determines there is an incorrect signal from the Catalytic Converter Temperature Sensor, the PCM will set code P0436.

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What Does P0436 Code Mean?

OBD-II Code P0436 is defined as a Catalyst Temperature Sensor Circuit Range/Performance

The Catalytic Converter uses multiple temperature sensors to ensure that the Catalytic Converter is working properly and does not overheat. When the engine control module (PCM) determines there is an incorrect signal from the Catalytic Converter Temperature Sensor, the PCM will set code P0436.

Common Problems That Trigger the P0436 Code

  • Catalytic converter temperature sensor failure
  • Powertrain Control Module (PCM) failure
  • Wiring issue
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