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P0602 TCM not programmed
TCM was replaced for non [...] I go to the SPS to try and program it, I only see two options, MCVM and Setup, both for the M5U RPO code which this vehicle has. It successfully does the MCVM but the setup always fails. Is that the reason for the P0602 code? It ... Login to read more. ![]()
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| VIN | 1GKS2CKJ4G |
| Engine | 6.2 L |
| Trans | 8-speed Automatic (Electronic) |
Vehicle Data
2016 GMC Yukon Denali 6.2L
| VIN | 1GKS2CKJ4G |
| Engine | 6.2 L |
| Trans | 8-speed Automatic (Electronic) |

9 Replies Received
9 Replies Received