Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY THAT THE DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE
NOTE:
When diagnosing any WIN system concern, all the FOBIKS should be present.
1. Turn the ignition on.
  NOTE:
  Before continuing, review and check for the following:
  - Review the repair history of the vehicle.
  - Make sure that the vehicle has the correct PCM and WIN installed by verifying the part numbers.
  - With the scan tool, ensure that the PCM and WIN are programmed correctly. Compare the PCM VIN to the WIN VIN and ensure the two VINs match.
2. With the scan tool, record and erase the DTCs.
3. Perform five ignition cycles, leaving the ignition switch on for a minimum of one minute per cycle.
4. With the scan tool, read the active DTCs.
  Does the scan tool display; B1A6C-SECRET KEY MISMATCH as active?
  
  Yes
  - If the engine does not crank, Go To 2.
  - If the engine does crank, Go To 3.
  No
  - Perform the WIN INTERMITTENT TEST. Refer to Standard Procedure .

ENGINE DOES NOT CRANK

If this vehicle does not crank, use the table below to determine if the key is functional or not. With the scan tool under Data Display, Bussed Outputs, put the key in each position and check the "Ignition Status". Then with the key in the Run position, check "Valid Skim Key" and "SKREEM Status" reported by the WIN (or WCM). Compare all six readings with the "Good Key" column.

BUSSED OUTPUTS
Ignition Status	Good Key	Bad Key (Failed)	Wrong Key	New Key (Blank)
Ignition Position = Lock	-------------- or Lock	--------------	--------------	-------------- or Lock
Ignition Position = Acc.	Off/Acc.	--------------	--------------	Off/Acc.
Ignition Position = Run Or ON	Run	Lock	Lock	Run
Ignition Position = Start Engine Off - Trans. in Gear	Start or Run	Lock	Lock	Run
SKREEM Status	Normal Status	Service SKREEM	Invalid Key	"SNA" Signal Not Available
Valid Skim Key	Yes/True	No/False	No/False	No/False

Trouble Code (DTC)		B1A35	B1A6C, B1A25	B1A24

Does the key (FOBIK) pass All Six Comparisons that are in the "Good Key" column?

Yes

Replace and program the Wireless Ignition Node (WIN) in accordance with the Service Information. Refer to RECEIVER, Wireless Ignition Node , Removal .
Perform the WIN VERIFICATION TEST. Refer to Standard Procedure .

Go To 3.

VERIFY THE WIN HAS BEEN PROPERLY INITIALIZED
1. Using the scan tool, read the Number of Key/Fobs Programmed under Data Display.
  Does the scan tool show any Key/Fobs Programmed?
  
  Yes
  - Go To 4.
  No
  - Using the scan tool, program the FOBIKS.
  - Perform the WIN VERIFICATION TEST. Refer to Standard Procedure .
CHECK OPERATION OF THE FOBIK IN USE
NOTE:
Verify the FOBIK in use is the FOBIK causing the DTC to set.
1. Replace the FOBIK currently in use.
2. Using the scan tool, program the new FOBIK to the WIN.
3. Use the scan tool and erase all codes in the WIN.
4. Turn the Ignition Off, and wait 15 seconds before turning the Ignition On.
5. Wait one minute, and read active codes.
  Does the scan tool display this DTC as active?
  
  Yes
  - Replace and program the Wireless Ignition Node (WIN) in accordance with the Service Information. Refer to RECEIVER, Wireless Ignition Node , Removal .
  - Perform the WIN VERIFICATION TEST. Refer to Standard Procedure .
  No
  - Repair is complete.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500 .