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Corvette
C8 Forum
C8 P2855 Code, 4 Days After Warranty Exhaust Replacement
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<blockquote data-quote="JimmyC8" data-source="post: 309788" data-attributes="member: 8632"><p>Hey Fellow Owners! </p><p></p><p>Recently had my NPP exhaust replaced due to a bad butterfly valve—all under warranty. </p><p></p><p>Today while taking a short drive I noticed the CEL come up… drove it quite a lot over the weekend after the exhaust replacement without issue. </p><p></p><p>Noticed a weird shift before I saw the CEL, felt like it went from 2nd to 4th while in manual mode—but I could be wrong, was taking a turn while it happened.</p><p></p><p>Took a short drive home after I noticed it and no issues with the DCT, flicked through gears without issue, went into cylinder deactivation, no loss of power, etc. </p><p></p><p>Any similar experiences? Read through some American forums … everything from whole DCT replaced to Solenoid issues. Bringing it in on Friday. </p><p></p><table style='width: 100%'><tr><th>Module</th><th>Diagnostic Code</th><th>Diagnostic Information</th><th>Recommended Action</th></tr><tr><td>ECM - Engine System</td><td>P0700</td><td>Transmission Control Module Requested Malfunction Indicator Lamp Illumination. The DTC is an informational DTC. The DTC indicates an emission related DTC set in the Transmission Control Module.</td><td>Service within 7 days</td></tr><tr><td>SDM - Airbag System</td><td>None</td><td>No Error Code Found</td><td>None</td></tr><tr><td>VIU - OnStar System</td><td>None</td><td>No Error Code Found</td><td>None</td></tr><tr><td>TCM - Transmission System</td><td>P2855</td><td>The Engine and Transmission System is not performing as expected. An issue has been detected in the Transmission System that transfers power from the engine to the drive wheels. You may experience reduced power or shifting issues. If the vehicle is continually driven with the check engine light on, the emission controls might not work as well, the vehicle fuel economy might not be as good, and the engine might not run as smoothly. This could lead to future repairs.</td><td>Service within 1 day</td></tr><tr><td>BOI - Bulb Outage Indicators</td><td>None</td><td>No Error Code Found</td><td>None</td></tr><tr><td>ABS - Braking and Stability System</td><td>None</td><td>No Error Code Found</td><td>None</td></tr></table></blockquote><p></p>
[QUOTE="JimmyC8, post: 309788, member: 8632"] Hey Fellow Owners! Recently had my NPP exhaust replaced due to a bad butterfly valve—all under warranty. Today while taking a short drive I noticed the CEL come up… drove it quite a lot over the weekend after the exhaust replacement without issue. Noticed a weird shift before I saw the CEL, felt like it went from 2nd to 4th while in manual mode—but I could be wrong, was taking a turn while it happened. Took a short drive home after I noticed it and no issues with the DCT, flicked through gears without issue, went into cylinder deactivation, no loss of power, etc. Any similar experiences? Read through some American forums … everything from whole DCT replaced to Solenoid issues. Bringing it in on Friday. [TABLE] [TR] [TH]Module[/TH] [TH]Diagnostic Code[/TH] [TH]Diagnostic Information[/TH] [TH]Recommended Action[/TH] [/TR] [TR] [TD]ECM - Engine System[/TD] [TD]P0700[/TD] [TD]Transmission Control Module Requested Malfunction Indicator Lamp Illumination. The DTC is an informational DTC. The DTC indicates an emission related DTC set in the Transmission Control Module.[/TD] [TD]Service within 7 days[/TD] [/TR] [TR] [TD]SDM - Airbag System[/TD] [TD]None[/TD] [TD]No Error Code Found[/TD] [TD]None[/TD] [/TR] [TR] [TD]VIU - OnStar System[/TD] [TD]None[/TD] [TD]No Error Code Found[/TD] [TD]None[/TD] [/TR] [TR] [TD]TCM - Transmission System[/TD] [TD]P2855[/TD] [TD]The Engine and Transmission System is not performing as expected. An issue has been detected in the Transmission System that transfers power from the engine to the drive wheels. You may experience reduced power or shifting issues. If the vehicle is continually driven with the check engine light on, the emission controls might not work as well, the vehicle fuel economy might not be as good, and the engine might not run as smoothly. This could lead to future repairs.[/TD] [TD]Service within 1 day[/TD] [/TR] [TR] [TD]BOI - Bulb Outage Indicators[/TD] [TD]None[/TD] [TD]No Error Code Found[/TD] [TD]None[/TD] [/TR] [TR] [TD]ABS - Braking and Stability System[/TD] [TD]None[/TD] [TD]No Error Code Found[/TD] [TD]None[/TD] [/TR] [/TABLE] [/QUOTE]
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Corvette
C8 Forum
C8 P2855 Code, 4 Days After Warranty Exhaust Replacement
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