
2008 GMC Sierra 2500 HD WT 6.6L Engine
Initially truck was going into power reduced mode every 10 Minutes, KEOR or KOEO it went into power reduced mode in 10 min. We Replaced PCM, truck ran good for 2.5 weeks then began going into power reduced mode every 10 minutes once again. Has anyone had a...
FIX posted 5/28/2023
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Message Closed w/FIX
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VIN | 1GTHK23688 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | Engine |
Conditions | Power Reduce Mode Within 10 Minutes, Koer or Koeo |
Message Closed w/FIX
Vehicle Data
2008 GMC Sierra 2500 HD WT
VIN | 1GTHK23688 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | Engine |
Conditions | Power Reduce Mode Within 10 Minutes, Koer or Koeo |