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2019 GMC Sierra 1500 SLT 5.3L No Start, Stall
Posted to GM Driveability on 6/17/2026 5 Replies

Veh will stall, crank over but not start back, can clear codes & will restart, has happened 3x, have replaced powertrain relay, still happened, checked terminal 49 on conn X1 per bulletin, was fine, checked wiring from ECM bracket, no problems, odd that wo...

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car Vehicle Data

2019 GMC Sierra 1500 SLT

VIN 3GTU9DED5K
Engine5.3 L / 8 cyl / GAS
Trans1-speed Automatic (Electronic)
DeliveryFuel Injection / ignition
EmissionsOBD-II Compliant
SymptomsNo Start, Stall
OccursIntermittently
Misc.Sierra 4X4

Trouble Codes

P062BControl Module Fuel Injector Control Performance
P16A7Engine Control Ignition Relay Feedback Circuit
Open Help Request

car Vehicle Data

2019 GMC Sierra 1500 SLT

VIN 3GTU9DED5K
Engine5.3 L / 8 cyl / GAS
Trans1-speed Automatic (Electronic)
DeliveryFuel Injection / ignition
EmissionsOBD-II Compliant
SymptomsNo Start, Stall
OccursIntermittently
Misc.Sierra 4X4

Trouble Codes

P062BControl Module Fuel Injector Control Performance
P16A7Engine Control Ignition Relay Feedback Circuit