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OBD-II Diagnostic Trouble Code
P244B

Diesel Particulate Filter Differential Pressure Too High

P
Powertrain
engine / trans
2
Generic
SAE standard
4
Auxiliary emission controls
4B
Diesel Particulate Filter Differential Pressure Too High
Severity · general guide
Moderate
Fix soon — usually won't strand you
Code type
Generic
System
Powertrain