49 FLASH CODE 49 – TCO OR TCI TEMPERATURE HIGH - ddcsn
49 FLASH CODE 49 – TCO OR TCI TEMPERATURE HIGH - ddcsn
49 FLASH CODE 49 – TCO OR TCI TEMPERATURE HIGH - ddcsn
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<strong>49</strong> <strong>FLASH</strong> <strong>CODE</strong> <strong>49</strong> – <strong>TCO</strong> <strong>OR</strong> <strong>TCI</strong> <strong>TEMPERATURE</strong><br />
<strong>HIGH</strong><br />
Section<br />
Page<br />
<strong>49</strong>.1 DESCRIPTION OF <strong>FLASH</strong> <strong>CODE</strong> <strong>49</strong> ..................................................... <strong>49</strong>-3<br />
<strong>49</strong>.2 SAE J1587 EQUIVALENT <strong>CODE</strong> F<strong>OR</strong> <strong>FLASH</strong> <strong>CODE</strong> <strong>49</strong> ....................... <strong>49</strong>-3<br />
<strong>49</strong>.3 TROUBLESHOOTING <strong>FLASH</strong> <strong>CODE</strong> <strong>49</strong> ................................................ <strong>49</strong>-3
(Rev. 2/03) All information subject to change without notice.<br />
<strong>49</strong>-2 From Bulletin 1-SECM-03 6SE<strong>49</strong>7 0207 Copyright © 2003 DETROIT DIESEL C<strong>OR</strong>P<strong>OR</strong>ATION
DDEC III/IV SINGLE ECM TROUBLESHOOTING GUIDE<br />
<strong>49</strong>.1 DESCRIPTION OF <strong>FLASH</strong> <strong>CODE</strong> <strong>49</strong><br />
Flash Code <strong>49</strong> indicates the Turbo Compressor Inlet (<strong>TCI</strong>) temperature or Turbo Compressor<br />
Outlet (<strong>TCO</strong>) temperature went above the calibrated limits.<br />
Possible causes are:<br />
Restricted air filter<br />
EGR valve stuck open<br />
High exhaust back pressure<br />
<strong>49</strong>.2 SAE J1587 EQUIVALENT <strong>CODE</strong> F<strong>OR</strong> <strong>FLASH</strong> <strong>CODE</strong> <strong>49</strong><br />
The SAE J1587 equivalent codes for Flash Code <strong>49</strong> are p 351/0, <strong>TCI</strong> temperature above range; p<br />
404/0, <strong>TCO</strong> temperature above range; and p 404/14, <strong>TCO</strong> derate.<br />
<strong>49</strong>.3 TROUBLESHOOTING <strong>FLASH</strong> <strong>CODE</strong> <strong>49</strong><br />
There is no recommended DDEC troubleshooting for this code. Perform basic checks. Contact<br />
Detroit Diesel Technical Service with a snapshot and code logging details for instructions.<br />
Code p 404/14 is logged without turning on a CEL or broadcasting the fault. This FMI (14) is<br />
an information code only – 404/14 is logged when the ECM derates the engine due to high<br />
<strong>TCO</strong> temperature.<br />
All information subject to change without notice. (Rev. 2/03)<br />
6SE<strong>49</strong>7 0207 Copyright © 2003 DETROIT DIESEL C<strong>OR</strong>P<strong>OR</strong>ATION From Bulletin 1-SECM-03 <strong>49</strong>-3
<strong>49</strong>.3 TROUBLESHOOTING <strong>FLASH</strong> <strong>CODE</strong> <strong>49</strong><br />
(Rev. 2/03)<br />
All information subject to change without notice.<br />
<strong>49</strong>-4 From Bulletin 1-SECM-03 6SE<strong>49</strong>7 0207 Copyright © 2003 DETROIT DIESEL C<strong>OR</strong>P<strong>OR</strong>ATION
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