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I just had check engine light come on on a dd15 Cascadia.

I just had check...

I just had check engine light come on on a dd15 Cascadia. Actually 2 check engine lights came on and got a sec 61 code.

Mechanic's Assistant: What is the complete model and serial number of your machine?

Eec 61

Mechanic's Assistant: Are you fixing this yourself? What have you tried so far?

Nothing yet. I'm in the middle of a trip

Mechanic's Assistant: Anything else you want the equipment mechanic to know before I connect you?

I also have a fail 20 code

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Customer reply replied 1 month ago
2013 Freightliner Cascadia Sleeper PX125064ST, VIN: 3AKJGLDR1DSFJ0274
Answered in 13 minutes by:
3/14/2018
roybelding
roybelding, Shop Foreman Freightliner trucks
Category: Medium and Heavy Trucks
Satisfied Customers: 7,286
Experience: Shop Froeman for Freightliner Trucks
Verified

hello, my name is ***** ***** I will be glad to assist you. please allow me a couple of minutes to gather some basic info.

Roy

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the 61 is the module. the code numbers will follow the 61. need all the numbers

Roy

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Customer reply replied 1 month ago
Hi Roy!
Son 3242 and 3246
Customer reply replied 1 month ago
I meant Spn
Customer reply replied 1 month ago
Now it's only one check light on

fail 20 still there?

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Customer reply replied 1 month ago
Actually no. And diag shows 0 now
Customer reply replied 1 month ago
My bad. It's still there

ok, let me check

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Customer reply replied 1 month ago
Both codes with fail 20

3242

Diesel Oxidation Catalyst Temperature Drift - Inlet High or Outlet Low

SPN 3242/FMI 20

Description70°C (126°F) Difference During Non-regeneration Mode

Monitored ParameterDiesel Oxidation Catalyst (DOC) Inlet Temperature vs. DOC Outlet Temperature

Typical Enabling ConditionsCoolant Temperature Greater than 60°C (140°F); Regen Not Active In Last Five Minutes

Execution FrequencyContinuous when enabling conditions met

Typical DurationOne Minute

Dash LampsMIL, CEL

Engine ReactionRegen Inhibit and 10% Engine Derate

VerificationLow Temperature Regen

PERSONAL INJURY

Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm.

  • Always start and operate an engine in a well ventilated area.
  • If operating an engine in an enclosed area, vent the exhaust to the outside.
  • Do not modify or tamper with the exhaust system or emission control system.

PERSONAL INJURY

To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.

ENGINE EXHAUST

To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic.

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PERSONAL INJURY

Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm.

  • Always start and operate an engine in a well ventilated area.
  • If operating an engine in an enclosed area, vent the exhaust to the outside.
  • Do not modify or tamper with the exhaust system or emission control system.

PERSONAL INJURY

To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.

ENGINE EXHAUST

To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic.

  1. Check for multiple fault codes.
    1. Yes; repair those faults first.
      Refer to section "SPN 3242/FMI 3 - EPA10 - GHG14"
      Refer to section "SPN 3242/FMI 4 - EPA10 - GHG14"
      Refer to section "SPN 3242/FMI 8 - EPA10 - GHG14"
      Refer to section "SPN 3250/FMI 3 - EPA10 - GHG14"
      Refer to section "SPN 3250/FMI 4 - EPA10 - GHG14"
      Refer to section "SPN 3250/FMI 8 - EPA10"
    2. No; Go to step 2.
  2. Start the engine.
  3. Run service routine "Perform Performance Check - Low Temp ATD" found under the Diesel Particulate Filter (DPF) System tab.
  4. Allow the service routine to run until all aftertreatment temperature sensors stabilize.
  5. Is the DOC inlet temperature within 25°C (45°F) of the DPF outlet temperature?
    1. Yes; Go to step 6.
    2. No; replace the DOC inlet temperature sensor.
      Refer to section "Removal of the EPA10 Diesel Oxidation Catalyst Inlet Temperature Sensor"
      Refer to section "Removal of the GHG14 Diesel Oxidation Catalyst Inlet Temperature Sensor"
      Verify repair.
  6. Is the DOC outlet temperature within 25°C (45°F) of the DPF outlet temperature?
    1. Yes; clear faults and release vehicle.
    2. No; replace the DOC outlet temperature sensor.
      Refer to section "Removal of the EPA10 Diesel Oxidation Catalyst Outlet Temperature Sensor"
      Refer to section "Removal of the GHG14 Diesel Oxidation Catalyst Outlet Temperature Sensor"
      Verify repair.
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3246

Diesel Particulate Filter Outlet Temperature Sensor Stuck

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ENGINE EXHAUST

To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic.

PERSONAL INJURY

To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.

  1. Check for multiple fault codes.
    1. If SPN 3246/FMI 3/4/8 or SPN 3250/FMI 3/4/8 is also present, repair those faults first.
    2. If the above faults are not present, Go to step 2.
  2. Turn the ignition ON (key ON, engine OFF).
  3. Compare the Diesel Oxidation Catalyst (DOC) outlet temperature and Diesel Particulate Filter (DPF) outlet temperature; is the DOC outlet temperature within 7°C (45°F) of the DPF outlet temperature?
    1. Yes; Go to step 4.
    2. No; Go to step 7.
  4. Start the engine (key ON, engine ON).
  5. Compare the DOC outlet temperature and DPF outlet temperature; are the DOC outlet temperature and DPF outlet temperature within 7°C (45°F) of each other?
    1. Yes; Go to step 6.
    2. No; Go to step 7.
  6. Continue idling the engine for 10 minutes. Are the DOC outlet temperature and DPF outlet temperatures within 7°C (45°F) of each other?
    1. Yes; clear faults and release vehicle.
    2. No; Go to step 7.
  7. Turn engine OFF.
  8. Disconnect the DOC outlet temperature sensor harness.
  9. Inspect the DOC outlet temperature sensor and harness connector for signs of damage, bent, spread, broken, unseated (pushed out) or corroded pins, signs of water intrusion or damaged wiring near the connector.
    1. If signs of damage are present, repair as necessary.
    2. If no signs of damage are present, Go to step 10.
  10. Measure the resistance across the DOC outlet temperature sensor at the pigtail connector (refer to chart). Is the resistance within range?

    Temp - °CTemp -°FRange

    Min Resistance (Ω)Max Resistance (Ω)

    032197.67207.62

    (###) ###-####20209.15(###) ###-####73210.67(###) ###-####27212.20(###) ###-####80213.72(###) ###-####33215.24

    1253.6206.85216.77

    1457.2208.38218.29

    1660.8209.91219.81

    1864.44211.43221.33

    (###) ###-####96222.85

    2271.6214.48224.37

    2475.2216.01225.88

    2678.8217.53227.40

    2882.4219.05228.91

    (###) ###-####57230.43

    3289.6222.09231.94

    3493.2223.61233.45

    3696.8225.12234.96

    ###-##-####64236.47

    40104228.16237.98

    1. Yes; Go to step 11.
    2. No; replace the DOC outlet temperature sensor. Refer to section "Removal of the EPA10 Diesel Oxidation Catalyst Outlet Temperature Sensor" or Refer to section "Removal of the GHG14 Diesel Oxidation Catalyst Outlet Temperature Sensor" .
  11. Disconnect the DPF outlet temperature sensor harness.
  12. Inspect the DPF outlet temperature sensor and harness connector for signs of damage, bent, spread, broken, unseated (pushed out) or corroded pins, signs of water intrusion or damaged wiring near the connector.
    1. If signs of damage are present, repair as necessary.
    2. If no signs of damage are present, Go to step 13.
  13. Measure the resistance across the DPF outlet temperature sensor at pigtail connector (refer to chart above). Is the resistance within range?
    1. Yes; clear faults and release vehicle.
    2. No; replace the DPF outlet temperature sensor. Refer to section "Removal of the EPA10 Diesel Particulate Filter Outlet Temperature Sensor" or Refer to section "Removal of the GHG14 Diesel Particulate Filter Outlet Temperature Sensor" .
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Customer reply replied 1 month ago
All this stuff seems beyond me. What can I do before I run to the dealership? Can I do something on my end to fix it and can I run with it like that?
Customer reply replied 1 month ago
I'm asking cause I'm in the middle of a run.

how far do you have to go??

it will go into a derate at some point

Roy

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Customer reply replied 1 month ago
240 miles to my delivery

thats not bad. as long as it has not started to derate then yes, you should be good to your destination.

Roy

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Customer reply replied 1 month ago
Thanks! I'm assuming to go a repair shop right away after that. Can it go away on it's own?

no, it will not go away on its own. it needs to be diagnosed and repaired.

Roy

Please take a moment and rate my service 3 stars or better. that is the only way the site will pay me for my efforts.

Roy

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Customer reply replied 1 month ago
Thank you again.

your welcome

roybelding
roybelding, Shop Foreman Freightliner trucks
Category: Medium and Heavy Trucks
Satisfied Customers: 7,286
Experience: Shop Froeman for Freightliner Trucks
Verified
roybelding and 87 other Medium and Heavy Trucks Specialists are ready to help you
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thank you

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roybelding
roybelding
roybelding, Shop Foreman Freightliner trucks
Category: Medium and Heavy Trucks
Satisfied Customers: 7,286
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