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Catalyst Tank Level — Data Valid but Below Normal Operational Range — Moderately Severe Level.
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Overview
| CODE | REASON | EFFECT |
| Fault Code: 1671 PID: SPN: 1761 FMI: 1/18 LAMP: Maintenance SRT: |
Catalyst Tank Level — Data Valid but Below Normal Operational Range — Moderately Severe Level. Low catalyst solution level has been detected in the catalyst solution tank. |
None on performance. |
 Circuit: Aftertreatment Control System
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Circuit Description
The catalyst solution level sensor is used to monitor the catalyst solution level inside the catalyst tank.
Component Location
The catalyst solution level sensor is located in the catalyst solution tank. Location of the tank and level sensor is OEM dependent.
Shop Talk
Fault code 1671 is triggered when low catalyst solution level has been detected in the catalyst solution tank. Add catalyst solution to the tank. This fault code is only a warning for low catalyst tank solution level.
On-Board Diagnostic (OBD) Information:
- The ECM illuminates the appropriate amber or red fault lamp when the diagnostic runs and fails.
- The ECM turns off the appropriate fault lamp when the diagnostic runs and passes.
Refer to Troubleshooting Fault Code t05-1671
Last Modified: 08-Jul-2010
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