OBD Guide
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P1050

Reductant Level Sensor Invalid Range

P1050 is an OBD-II diagnostic trouble code meaning: Reductant Level Sensor Invalid Range. Common causes: reagent level sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Low AdBlue message on the instrument panel
  • Possible transition to emergency mode

Causes

  • Reagent level sensor malfunction
  • Open or short circuit in the sensor circuit
  • Low level of reagent in the tank
  • Sensor contamination
  • Problems with the engine ECU

How to Fix

  1. Check the reagent level in the tank
  2. Inspect the connectors and wiring of the sensor
  3. Check sensor resistance and voltage
  4. If necessary, replace the reagent level sensor
  5. Reset the error code and check the system

Related codes

P1051P1052P1053

FAQ

What does the P1050 code mean?

P1050 is an OBD-II diagnostic trouble code that indicates: Reductant Level Sensor Invalid Range

What causes a P1050 error code?

The most common causes of P1050 include: Reagent level sensor malfunction; Open or short circuit in the sensor circuit; Low level of reagent in the tank; Sensor contamination.

How do I fix a P1050 diagnostic trouble code?

To fix P1050: Check the reagent level in the tank. Inspect the connectors and wiring of the sensor. Check sensor resistance and voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1050?

Yes, but get it checked soon

How much does it cost to fix P1050?

The estimated repair cost for P1050 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat