Not Stored
Not stored
IMM-235 Key unknown
Checking keys
Try to start the car with all the keys that the customer has.
Does the car start with all keys ?
Yes - Fault-tracing information
No - Programming keys
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Fault-tracing information
The control module has read and not approved a transponder code because it was not stored. That can be because of the following:
- There are several Volvo keys with transponders to the same car or other cars on the key ring. The control module reads the key code from the wrong key or a mixture of codes from several keys when attempting to start the car.
The keys should hang free so that they do not affect the key being used.
- Attempts have been made to start the car with a Volvo key which is already programmed to another generation 3 immobilizer.
- Attempts have been made to start the car with a Volvo key before it was programmed into the control module as an approved key to the car.
- Attempts have been made to start the car with a Volvo key that is not one of the approved keys for the car.
- The fault occurred because of temporary interference in the communication between the transponder and the control module.
Continue - FAULT FOUND
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Programming keys
Program the non approved keys according to Add a key Add A Key.
One of the following alternatives can occur:
1. The programming was successful, the key was not programmed into the control module memory earlier.
2. The Volvo Scan Tool (ST) displays the message:
KEY. CAN NOT BE
PROG. TO IMMO!
USE ANOTHER KEY!
THEN ENTER/EXIT
This means that the key is already programmed for another immobilizer system.
Select one of the following options to continue.
1 - Verification
2 - Defective transponder
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Defective transponder
The key which could not be programmed has a transponder belonging to another immobilizer system.
Order a new key and program it according to Add a key Add A Key.
Continue - Verification
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Verification
Verification
Hint: After finishing the repair check that the repair is successful and that the fault is corrected as follows.
- Ignition on.
- Erase diagnostic trouble codes (DTCs).
Try to start the car.
Does the car start?
Yes - VERIFIED
No - Verification, continued
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Verification, continued
Read diagnostic trouble codes (DTCs).
Has the diagnostic trouble code (DTC) been stored again?
Yes - VERIFICATION FAILED
No - VERIFIED
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VERIFIED - FAULT FOUND
VERIFICATION FAILED - Fault-tracing information
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Fault-tracing information
Information
Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.
Do you want to exit fault-tracing?
Yes - Exit fault-tracing
No - Attempt New Test
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