RAM 3500 HD Truck 2WD L6-6.7L DSL Turbo (2008)
Oxygen Sensor: All Technical Service Bulletins
Engine Controls - MIL ON/DTC's P2000/P2A00/P2A01
NUMBER: 18-035-08
GROUP: Vehicle Performance
DATE: September 13, 2008
THE StarSCAN(R) FLASH FILES FOR THIS BULLETIN MUST BE RETRIEVED FROM THE INTERNET.
StarSCAN(R) SOFTWARE LEVEL MUST BE AT RELEASE 9.02 OR HIGHER.
StarMOBILE DESKTOP CLIENT - OR - StarMOBILE STANDALONE MODE MAY ALSO BE USED TO PERFORM THE FLASH.
SUBJECT:
MIL Illumination Due to P2000, P2A00 and/or P2A01
OVERVIEW:
This bulletin involves verifying all TSB's related to high sooting issues have been properly addressed, replacing both Oxygen (02) Sensors, and wrapping
the exhaust pipe in the area of the FRONT 02 sensor.
This bulletin also involves verifying that the Documentation Kit has been installed in the vehicle and the customer has been informed of its contents.
MODELS:
2007 - 2008
(DH/D1)
Ram Truck 2500/3500
NOTE:
This bulletin applies to vehicles equipped with a 6.7L Cummins diesel engine (sales code ETJ).
SYMPTOM/CONDITION:
Customer may experience MIL illumination. Further investigation by the technician may find one or more of the following DTC(s) present:
^
P2000 - NOX Absorber Efficiency Below Threshold - Bank 1.
^
P2A00 - 02 Sensor 1/1 Circuit Performance.
^
P2A01 - 02 Sensor 1/2 Circuit Performance.
DIAGNOSIS:
If DTC's other than those listed above are present record them on the repair order and repair as necessary before proceeding further with this bulletin.
Refer to TSB's related to turbocharger and DPF repairs (11-002-07,11-001-08,11 -002-08 and 18-013-08) if needed.
NOTE:
ECM (PCM) software commands when and what the CCN will display on the EVIC regarding the new engine system and exhaust aftertreatment
system messages. The ECM software must be up to date (correct software level) in order for the new EVIC messages to display as designed and to
address the symptoms and conditions above.
^
Verify software level in ECM and CCN is at the latest software level available in DealerCONNECT.
^
Verify DTC's other than those listed in the SYMPTOM/CONDITION should be addressed with the appropriate TSB or Service Procedures available
in DealerCONNECT.
^
IF making a Diesel Particulate Filter (DPF) or turbocharger repair in conjunction with this TSB, ensure EGR system, Turbo, Intake, Charge Air
Cooler, and other sensors are inspected and cleaned as described in these TSB's. Systems should be cleaned to "Like New" condition. Vehicles that
have excess soot build up should have the source of the soot build up diagnosed and repaired prior to proceeding with this bulletin.
^
Verify proper maintenance has been performed, including: fuel and air filter brand (Mopar recommended) and condition.
^
Check Crankcase Ventilation (CCV) system for restriction which may cause oil infiltration into turbo and intake system.
^
Some vehicles may only have a part of the Documentation Kit (i.e. Diesel Owners Manual Supplement). Make sure the vehicle/customer has
received a complete Documentation Kit.
If any of the DTC's listed in the SYMPTOM/CONDITION are present and the conditions listed above have been met, perform the REPAIR
