DEF LOW 15% WA
What This Code Means
Check DEF indicator displayed on the Exhaust After-Treatment Dashboard screen; DEF level below 15%; DEF level below 10%; Check DEF indicator is illuminated (not flashing); Engine shutdown with restart available; DEF level below 5%; Check DEF indicator is flashing; Engine shutdown with restart unavailable; Controller message DEF Low 15% WA is displayed; Controller message DEF Low 10% SD is displayed; Check DEF indicator is illuminated and not flashing; Engine shutdown occurs with restart available; Controller message DEF Low 5% SD is displayed; Engine shutdown occurs with restart unavailable; DEF Low 15% WA controller message displayed; Engine shut down; Engine can be restarted; DEF Indicator not flashing; DEF Low 10% SD controller message displayed; Engine cannot be restarted; DEF Indicator slow flashing; DEF Low 5% SD controller message displayed; Engine shutdown (restart available); DEF Indicator active (not flashing); Engine shutdown (restart unavailable)
Possible Causes
- •The level of diesel exhaust fluid in the DEF tank is below 10% capacity
- •DEF quality is poor
- •Diesel exhaust fluid level is below 15% capacity
- •Diesel exhaust fluid level is below 10% capacity
- •Diesel exhaust fluid level is below 5% capacity
- •DEF level is below 10%
- •DEF level is below 15%
- •DEF level is below 5%
- •DEF level below 5%
- •DEF level below 15%
- •DEF level below 10%
- •DEF level decreased to below 10%
- •DEF level decreased to below 15%
- •DEF level decreased to below 5%
Suggested Actions
- 1Check the DEF tank level
- 2Check active diagnostic trouble codes
- 3Refer to Table 13, DEF Level System Action
- 4Replenish DEF
Related Multiquip Fault Codes
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