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TuningBot DTC Database · v4.37.15

P2053 Reductant Injection Valve Circuit/Open Bank 1 Unit 2

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEmissionsOBD2

What P2053 means

P2053
Reductant Injection Valve Circuit/Open Bank 1 Unit 2 Generic · emissions Data confidence 85%

The control module detected an interruption (open circuit) in the Reductant Injection Valve circuit, so the expected electrical continuity was not present.

Symptoms

  • MIL or SCR/AdBlue warning illuminated
  • Possible start-count-down or torque limitation on some applications

Possible causes

  • Wiring
  • reductant injector

Recommended checks

  • Read NOx sensor values and dosing system status
  • Check reductant level and quality data
  • Inspect dosing valve, lines and heater operation
  • Check wiring and connectors of the SCR components
  • Check for OEM technical bulletins and software updates

Related and nearby codes

How to read P2053

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

053

Specific fault index within the subsystem.

Frequently asked questions about P2053

What does P2053 mean?

Reductant Injection Valve Circuit/Open Bank 1 Unit 2. The control module detected an interruption (open circuit) in the Reductant Injection Valve circuit, so the expected electrical continuity was not present.

Is P2053 generic or manufacturer-specific?

P2053 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2053 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningDyno-tested results by model and engine See the results →

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