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1349 – AL_RA_line_feed_RA_tank_1_1_defect
Cause
Heating of supply line from
reducing agent tank to pre-feed
module is faulty.
1350 – AL_RA_line_return_RA_tank_1_2_defec
Cause
Heating of return line from pre-
feed module to reducing agent
tank is faulty.
1351 – AL_SD_c_RA
Cause
The signal from the quality sensor
for reducing agent concentration
(B103) is missing or faulty
1352 – AL_RA_tank_ext_heat_relay_defect
Cause
The external heating relay (B29.2)
for the reducing agent tank is
faulty.
1354 – AL_Invalid_PFM_Configuration
Cause
The parameters in the latest
engine data record are out of the
valid range which can be provided
by the DCM outputs.
1376 – AL Refdrive Impossibl Ubat Low
Cause
The ECU supply voltage is too low
for successful homing of all flaps
even when the engine is running.
1377 – AL Refdrive Impossibl Eng Op Point
Cause
Homing of one or more flaps
before engine start was not
completed successfully. Homing
the affected flaps is no longer
possible.
Corrective action
1. Check engine cabling (→ Page 321).
2. Check component, replace as necessary.
3. Contact Service.
Corrective action
1. Check engine cabling (→ Page 321).
2. Check component, replace as necessary.
3. Contact Service.
Corrective action
1. Check sensor B103 and replace as necessary.
2. Check engine cabling (→ Page 321).
3. Contact Service.
Corrective action
1. Check relay, replace as necessary.
2. Check engine cabling (→ Page 321).
3. Contact Service.
Corrective action
u Contact Service.
Corrective action
1. Check state of charge of batteries (plant side).
2. Check plug connections to Engine Control Unit (→ Page 323).
3. Contact Service.
Corrective action
1. Run engine up to idling speed. Result: Homing is executed.
2. Contact Service.
MS15065/01E 2019-01 | Troubleshooting | 165
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