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#15 |
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did you show the tech the TSB and request that he do the ECM Flash? only reason im worried is because my car is tuned by Brett at Pray Performance and i have some e85 in the car lol
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#16 | |
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2020 Shadow Gray 2SS
Drives: 2020 2SS - A10, NPP, MRC, CAI Join Date: Dec 2019
Location: SoCal
Posts: 3,686
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If you're tuned, you may have an issue, but either way, even if they void your warranty, they should be happy to do the ECM flash for a price...
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2020 SGM 2SS - A10, NPP, MRC, Red Calipers, Black Fender Badge, Footwell Lighting
After delivery: - GMP CAI, GMP Black Strut Tower Brace, MRR017 1LE Wheels, SS Armrest, Black Fuel Door, Stainless Pedals, SS Wheel Caps, GM Splash Guards, DD Smoked LED Markers, Smoked Rear Reflectors, Mishimoto Catch Can, Xpel PPF-Full Front & Rockers, 35% Tint, CeramicPro coated, RST Stainless Brake Lines, Castrol SRF, MSD Plug Wires, Mamo V3 Ported TB Left: My "fun" ride (455 HP). Right: My "work" ride (52,000 HP): a Gulfstream G600. One's top speed is 180 Mph, the other, 620 Mph. BOTH AWESOME to operate... |
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#17 | |
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Quote:
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#18 |
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2020 Shadow Gray 2SS
Drives: 2020 2SS - A10, NPP, MRC, CAI Join Date: Dec 2019
Location: SoCal
Posts: 3,686
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I think I was at the dealer about 1.5 hours total.
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2020 SGM 2SS - A10, NPP, MRC, Red Calipers, Black Fender Badge, Footwell Lighting
After delivery: - GMP CAI, GMP Black Strut Tower Brace, MRR017 1LE Wheels, SS Armrest, Black Fuel Door, Stainless Pedals, SS Wheel Caps, GM Splash Guards, DD Smoked LED Markers, Smoked Rear Reflectors, Mishimoto Catch Can, Xpel PPF-Full Front & Rockers, 35% Tint, CeramicPro coated, RST Stainless Brake Lines, Castrol SRF, MSD Plug Wires, Mamo V3 Ported TB Left: My "fun" ride (455 HP). Right: My "work" ride (52,000 HP): a Gulfstream G600. One's top speed is 180 Mph, the other, 620 Mph. BOTH AWESOME to operate... |
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#19 |
![]() Drives: 2017 SS Join Date: Jul 2017
Location: SoCal
Posts: 45
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#20 |
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2020 Shadow Gray 2SS
Drives: 2020 2SS - A10, NPP, MRC, CAI Join Date: Dec 2019
Location: SoCal
Posts: 3,686
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Yes, there is a TSB out where they reflash an ECM with updated software, hasn't happened since...
Here is the TSB: https://static.nhtsa.gov/odi/tsbs/20...81687-9999.pdf
__________________
2020 SGM 2SS - A10, NPP, MRC, Red Calipers, Black Fender Badge, Footwell Lighting
After delivery: - GMP CAI, GMP Black Strut Tower Brace, MRR017 1LE Wheels, SS Armrest, Black Fuel Door, Stainless Pedals, SS Wheel Caps, GM Splash Guards, DD Smoked LED Markers, Smoked Rear Reflectors, Mishimoto Catch Can, Xpel PPF-Full Front & Rockers, 35% Tint, CeramicPro coated, RST Stainless Brake Lines, Castrol SRF, MSD Plug Wires, Mamo V3 Ported TB Left: My "fun" ride (455 HP). Right: My "work" ride (52,000 HP): a Gulfstream G600. One's top speed is 180 Mph, the other, 620 Mph. BOTH AWESOME to operate... |
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#21 |
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2020 Shadow Gray 2SS
Drives: 2020 2SS - A10, NPP, MRC, CAI Join Date: Dec 2019
Location: SoCal
Posts: 3,686
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Further update... My 2020 2SS now has 11,500+ miles on it, have not experienced this issue since the first (and only) time it happened (5+ years ago and 8,500+ miles ago), the ECM flash seems to have permanently fixed the issue... Hope this helps someone...
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2020 SGM 2SS - A10, NPP, MRC, Red Calipers, Black Fender Badge, Footwell Lighting
After delivery: - GMP CAI, GMP Black Strut Tower Brace, MRR017 1LE Wheels, SS Armrest, Black Fuel Door, Stainless Pedals, SS Wheel Caps, GM Splash Guards, DD Smoked LED Markers, Smoked Rear Reflectors, Mishimoto Catch Can, Xpel PPF-Full Front & Rockers, 35% Tint, CeramicPro coated, RST Stainless Brake Lines, Castrol SRF, MSD Plug Wires, Mamo V3 Ported TB Left: My "fun" ride (455 HP). Right: My "work" ride (52,000 HP): a Gulfstream G600. One's top speed is 180 Mph, the other, 620 Mph. BOTH AWESOME to operate... Last edited by 2SS Capt; 01-07-2026 at 04:07 PM. |
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#22 | |
![]() ![]() Drives: 2017 2ss 6mt Join Date: Mar 2024
Location: dallas
Posts: 938
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Quote:
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#23 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: 2017 2SS, 50th pkg, M6, MRC, NPP Join Date: Jan 2016
Location: Ocean City, NJ
Posts: 3,553
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