fameuf.blogg.se - Snap on modis software version 2.3 gm throttle position relearn

Look for fault codes in The PATS function will store fault codes when the PCM records a P1260.Disconnect battery cables when replacing PATS module, ICM, VIC, HEC, SCIL, PCM, or.When replacing ignition keys, make sure the owner throws out ALL old.Disconnect the diagnostic tool for 20 seconds before cycling ignition to OFF, ACC, or RUN.Review Service Procedures and Technical Service Bulletins (TSBs) for latest.Select “ICM / PCM Parameter Reset.” Select “PCM / TCM Parameter Reset” and then Exit Security Access. Perform a PCM Keep Alive Memory (KAM) reset.Įnter Security Access on the PATS control function module. Select “Parameter Reset” and then Exit Security Access. Enter Security Access on the PATS control function module. Cycle new key to RUN.Ĭycle a key in ignition to RUN. Spare Ke y Programming Using Programmed Keysġ key required. Select “Ignition Key Code Program.” Disconnect Tool and leave key in RUN for 20 seconds. Spare Ke y Programming Using Di a gnosti c T oolsĬycle an unprogrammed key in ignition to RUN. Cycle key 1 to OFF, then RUN, and back to OFF. Select “Ignition Key Code Erase.” Disconnect Tool and leave key in RUN for 20 seconds.

Cycle key to OFF and then RUN.Ģ keys required. Enter “Ignition Key Code Erase.” Disconnect Tool and leave key in RUN for 20 seconds. Retrieve DTCs from applicable PATS control function (PATS/ICM/VIC/HEC/SCIL).ġ key required. PCM disabled the vehicle because of a PATS concern. Key program failure (defective key or transceiver).Ĭommunications issue, SCP (J1850), between PCM and PATS control (PATS/ICM/ VIC/HEC/SCIL).Ĭommunications issue, CAN (J2284), between PCM and PATS control (ICM). PCM ID does not match between the PCM and PATS control (PATS/ICM/VIC/HEC/SCIL).

Non-Volatile Memory (NVM) conﬁguration failure - No PCM ID stored in PATS. Partial detection of encoded ignition key. Unprogrammed encoded ignition key detected (leave ignition on for 20 seconds before trying a programmed key, in Anti-Scan Mode). Replace transceiver.ĮCU is defective (EEPROM in PCM is not working - replace PCM). Less than 2 (or 3 if equipped w/Valet key) keys programmed to the system.