Passlock?

Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.

Timmy adkins

Junior Member
Joined
Jan 15, 2020
Posts
19
Reaction score
1
Location
Hinton
First Name
Tim
Truck Year
1979
Truck Model
C10
Engine Size
5.3
I am swapping a 5.3 into my square body. The motor, ecu and harness are coming out of the same truck. Do I need to get the ecu flashed to get rid of the passlock (anti theft) system?


Sent from my iPhone using Tapatalk
 

RoryH19

Full Access Member
Joined
Aug 21, 2015
Posts
1,668
Reaction score
1,081
Location
Texas
First Name
Rory
Truck Year
1987
Truck Model
R10 Silverado SWB
Engine Size
350 TBI
Yes, VATS has to be removed from the ECU.
You also need to program your axle ratio and tire size.
 

Timmy adkins

Junior Member
Joined
Jan 15, 2020
Posts
19
Reaction score
1
Location
Hinton
First Name
Tim
Truck Year
1979
Truck Model
C10
Engine Size
5.3
Yes, VATS has to be removed from the ECU.
You also need to program your axle ratio and tire size.

Thank you! Answered my question


Sent from my iPhone using Tapatalk
 

Latest posts

Forum statistics

Threads
41,857
Posts
903,628
Members
33,370
Latest member
mitchell1128
Top