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PCM/ECM
After replacing a PCM/ECM on a vehicle equipped with the security system "VATS",the engine will not run "code P0513,P0633 and P1631" until Passlock security relearn is performed (1.1). (except for when PCM/ECM is ordered with disabled "VATS"). Also, when DTC P0315/P1336 are diagnosed a crankshaft position system variation learn is required (1.2).
If your ECM comes with a IMMO CODE, a key programmer, locksmith, or GM SPS2 is required to complete installation.
BCM 1999-2006
After replacing a BCM on a vehicle equipped with the security system "VATS", a Passlock security relearn will be required (1.1).
BCM 2007+ / FUSE BOX 2004+
After the BCM is replaced, the airbag indicator light may remain ON (code B1001). SDM relearn would be required to clear B1001 code (1.3). Also, if the vehicle is equipped with a Brake Pedal Position (BPP) sensor, the brake light and ABS/ESP light may remain on, (BPP) sensor calibration must be performed (1.4).
(1.1) 30-Minute Learn Procedure (Passlock security relearn) *
Turn ON the ignition, with the engine OFF.
now ready to relearn the PasslockTM Sensor Data Code and/or passwords on the next ignition switch transition from OFF to CRANK.
Important: The vehicle learns the PasslockTM Sensor Data Code and/or password on the
next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle.
(1.2) Crankshaft Position System Variation Learn (P0315/P1336)
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Before you start!
-Block drive wheels.
-Set parking brake.
-Apply brake and hold.
-Cycle ignition from off to on.
-Start engine and idle.
-Turn A/C off.
-Vehicles must remain in park or neutral.
After these are done, proceed to the relearn instructions below.
(1.3) Inflatable Restraint Sensing setup SDM/Airbag (B1001)
If you don't have a scan tool, click here to learn about our app and affordable scan tools option.
(1.4) Brake Pedal position Sensor Calibration
2.Clear all DTCs before proceeding.
*The 30-Minute relearn procedure does not work on some GM vehicles. For these vehicles a Vehicle Theft Deterrent Learn (V.T.D) /Immobilizer System Component Programming (IMMO) must be performed via GM SPS2. “Vehicles that's equipped with IMMO could also be programmed by a locksmith”
**If the security light doesn’t turn off then you may need to perform V.T.D/IMMO via GM SPS.
Global-A Vehicles required IMMO relearn (key reprogramming). A key programmer, locksmith, or GM SPS2 will be needed to perform this relearn.
Contact us and ask any questions about your installation and we'll help you troubleshoot!
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