Fault Codes:Caterpillar CAT320 $11BA
Solution:
During the HC quantification period, the SCR system needs to determine a small amount of DEF. DEF quantification is used to prevent damage to the top of the DEF injector at high temperatures. The SCR system is malfunctioning. Check the relevant SCR system diagnostic codes and follow the relevant fault diagnosis and elimination steps.
Fault Description:
The post-processing SCR system is not ready for quantification
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