P2146 Diagnostic Trouble Code Discussion for October 2006
Injector Positive Voltage Relay Circuit Group 1 (Injectors 1 & 4)
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| Help Request | Posted | |
| 2005 GMC Sierra 2500 HD SLE 6.6L MIL Lamp on, low power VIN: 1GTHK23215 P2146: A/F Mode Relay Circuit Malfunction. Intermittently CEL comes on and engine looses power. Happened only once since we had it and we cannot duplicate it while in the shop. We think it’s related to TSB 05-06-04-047B but are not sure. We tested the wiring from the control module to the injector and ... |
October 06, 2006 | |
| 2005 GMC Sierra 2500 HD SLE 6.6L MIL Lamp on, low power VIN: 1GTHK23215 P2146: A/F Mode Relay Circuit Malfunction. Intermittently CEL comes on and engine looses power. Happened only once since we had it and we cannot duplicate it while in the shop. We think it’s related to TSB 05-06-04-047B but are not sure. We tested the wiring from the control module to the injector and ... |
October 07, 2006 |
