SECURITY LIGHT 15, DTC -/B1601/P1260

id0902e3829400

DTC 15

PCM received incorrect ID number from key (transponder).

POSSIBLE CAUSE

• No keys have been registered after installation of new instrument cluster
• Unregistered key detected
• Attempt made to register a ninth key
Note
• A maximum of only eight keys can be registered for a single vehicle.
• Defective keyless control module
• Defective instrument cluster

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY REGISTERED KEY IN PCM
• Check following PID/DATA monitor using M-MDS.
- NUMKEYS
• Is NUMKEYS displayed more than 2?
Yes
Go to next step.
No
Go to Step 3.
2
VERIFY REGISTERED KEY IN PCM
• Check following PID/DATA monitor using M-MDS.
- NUMKEYS
• Is NUMKEYS displayed more than 8?
Yes
• Erase key ID number using M-MDS and register key ID number.
• Go to next step.
No
Go to next step.
3
VERIFY WHETHER MALFUNCTION IS IN COIL ANTENNA OR KEY
• Using M-MDS register an additional key.
• Using registered key, turn ignition switch to ON position.
• Does M-MDS indicate DTC B1601 again?
Yes
Replace keyless control module, then go to the next step.
No
DTC troubleshooting completed.
4
INSPECT INSTRUMENT CLUSTER
• Turn the ignition switch to the ON position.
• Is the DTC displayed?
- Security light: 15
- M-MDS: -/B1601
Yes
Replace instrument cluster and reprogram immobilizer system.
No
DTC troubleshooting completed.