KC-2266
Service Bulletin Details
Public Details for: KC-2266
Cbr: mack granite - diagnostic trouble code (dtc) P208464
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4/28/23, 3:18 PM Article Mack Granite - Diagnostic Trouble Code (DTC) P208464 If a Granite chassis is experiencing code P208464: 1. Check the Aftertreatment Control Module (ACM) location. If the ACM is mounted as shown below, continue with this solution. ; Live UI https://volvo-trkna-prod1.pegacloud.net/prweb/PRAuth/app/VolvoKM_/iNPUIKpeinqPJi2G0hH930k43USdE1gb*/!TABTHREAD5?pyActivity=%40baseclass.pzProcessURLInWindow&pyPreActivity=Previ… 1/4 4/28/23, 3:18 PM Article ; Live UI https://volvo-trkna-prod1.pegacloud.net/prweb/PRAuth/app/VolvoKM_/iNPUIKpeinqPJi2G0hH930k43USdE1gb*/!TABTHREAD5?pyActivity=%40baseclass.pzProcessURLInWindow&pyPreActivity=Previ… 2/4 4/28/23, 3:18 PM Article 2. Ensure there are no other temperature sensor codes present. 3. Disconnect the harness from the ACM. 4. Using the breakout box hooked only to the ACM as pictured below, measure resistance between pins 34 and 55. UI ; Live 5. Evaluate results: https://volvo-trkna-prod1.pegacloud.net/prweb/PRAuth/app/VolvoKM_/iNPUIKpeinqPJi2G0hH930k43USdE1gb*/!TABTHREAD5?pyActivity=%40baseclass.pzProcessURLInWindow&pyPreActivity=Previ… 3/4 4/28/23, 3:18 PM Article If resistance is greater than 1.5k Ohms: The issue is likely in the harness or sensor. If resistance is less than 1.5k Ohms: Replace the ACM. The module has experienced an internal failure. Tags p208464 mack Categories Vehicle System > Emissions Vehicle System > Control Systems Make and Model > Mack > GU/GR - Granite Related links and attachments No links or attachments available Feedback Give feedback to help improve the content of this article ; Live UI https://volvo-trkna-prod1.pegacloud.net/prweb/PRAuth/app/VolvoKM_/iNPUIKpeinqPJi2G0hH930k43USdE1gb*/!TABTHREAD5?pyActivity=%40baseclass.pzProcessURLInWindow&pyPreActivity=Previ… 4/4