Possible Causes

Purpose of the DTC
- To monitor diesel exhaust fluid tank module - output from the ECM to DEF pump control for over temperature
Electrical Cause
- Yes
Mechanical Cause
- No
Control Module Signal Name
- Circuit reference RAPM
Monitor Description
- Diesel exhaust fluid tank module - output from the ECM to DEF pump control over temperature
Prioritized List of Possible Causes
- The powertrain control module detected an internal temperature above the expected range
- Diesel exhaust fluid tank module has over heated
- Diesel exhaust fluid tank module circuit short circuit to power - output from the ECM to DEF pump control
- Connector is disconnected, connector pin is backed out, connector pin corrosion