P2049

DTC P2049, sometimes indicated as P204900 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the air/fuel mixture causing reductant injection valve circuit high bank 1 unit 1.

This code is set when the reductant injection valve circuit is high. This may be caused by a short in the circuit, a bad injector valve, or a wiring issue.
To fix this code, you will need to find and fix the issue that is causing the high voltage. Once the issue is fixed, the code should clear.

• P2049: Reductant Injection Valve Circuit High Bank 1 Unit 1
• P2049: Reductant Injection Valve Circuit High Bank 1 Unit 1
• P2049: Reductant Injection Valve Circuit High
• P2049: Reductant injector 1, bank 1 – circuit high
• P2049 00: Reductant injector 1, bank 1 - circuit high