Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2006 Dodge and Ram Sprinter 2500 L5-2.7L DSL TurboFACTORY OEM SERVICE PROCEDURE
About Trouble Codes
HARD CODES AND INTERMITTENT CODES
ACTIVE (HARD) CODE
Any Diagnostic Trouble Code (DTC) that is set whenever the system or component is monitored is an Active code. This means that the problem is there every time the TCM checks that system or component. Some codes will set immediately at start up and others will require a road test under specific conditions to set the DTC. It must be determined if a code is Active (repeatable) or Stored (Intermittent) before attempting diagnosis.
STORED (INTERMITTENT) CODE
A diagnostic trouble code that is not there every time the TCM checks the circuit or function is a Stored (Intermittent) code. Problems that come and go like this are the most difficult to diagnose, they must be looked for under the specific conditions that cause them. If the DTC is reset (after an ignition cycle) the DTC will be set to Stored (Intermittent) status. A DTC status can be "Active" or "Stored" (Intermittent). Active is when the DTC is present in the controller and the transmission is in the particular mode of operation for that DTC. Stored means that the DTC occurred at some point, but is not currently present, or the conditions have not been right to check for the presence of the problem, when a DTC is classified as Stored (Intermittent), no TCM reaction is required.
Emergency running function
If DTCs occur, safe-driving conditions must be retained but full functionality of the transmission will be limited to avoid damaging the automatic transmission. In the event of certain DTCs the TCM switches to emergency running. The TCM will store the appropriate DTC codes and solenoids will be de-energized (turned off)
The transmission effects will be:
- The last gear shifted remains in that position
- The modulating pressure and shift pressure increase to maximum value
- The torque converter clutch is disengaged (turned off)
Shifting manually after a DTC detection
NOTE: The vehicle can still be shifted manually to 2nd or reverse gear.
To accomplish these shifts you must
Stop the vehicle
Turn the ignition off
Start the engine
Place the selector lever into D for 2nd gear
Place the selector lever into R for reverse gear
The emergency running function is retained until the DTC is eliminated or the stored DTC code is erased.
Stored (Intermittent) DTCs can be reset by cycling the ignition switch.
ACTIVE (HARD) CODE
Any Diagnostic Trouble Code (DTC) that is set whenever the system or component is monitored is an Active code. This means that the problem is there every time the TCM checks that system or component. Some codes will set immediately at start up and others will require a road test under specific conditions to set the DTC. It must be determined if a code is Active (repeatable) or Stored (Intermittent) before attempting diagnosis.
STORED (INTERMITTENT) CODE
A diagnostic trouble code that is not there every time the TCM checks the circuit or function is a Stored (Intermittent) code. Problems that come and go like this are the most difficult to diagnose, they must be looked for under the specific conditions that cause them. If the DTC is reset (after an ignition cycle) the DTC will be set to Stored (Intermittent) status. A DTC status can be "Active" or "Stored" (Intermittent). Active is when the DTC is present in the controller and the transmission is in the particular mode of operation for that DTC. Stored means that the DTC occurred at some point, but is not currently present, or the conditions have not been right to check for the presence of the problem, when a DTC is classified as Stored (Intermittent), no TCM reaction is required.
Emergency running function
If DTCs occur, safe-driving conditions must be retained but full functionality of the transmission will be limited to avoid damaging the automatic transmission. In the event of certain DTCs the TCM switches to emergency running. The TCM will store the appropriate DTC codes and solenoids will be de-energized (turned off)
The transmission effects will be:
- The last gear shifted remains in that position
- The modulating pressure and shift pressure increase to maximum value
- The torque converter clutch is disengaged (turned off)
Shifting manually after a DTC detection
NOTE: The vehicle can still be shifted manually to 2nd or reverse gear.
To accomplish these shifts you must
Stop the vehicle
Turn the ignition off
Start the engine
Place the selector lever into D for 2nd gear
Place the selector lever into R for reverse gear
The emergency running function is retained until the DTC is eliminated or the stored DTC code is erased.
Stored (Intermittent) DTCs can be reset by cycling the ignition switch.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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