Service bulletins for the 2007 Hummer H2
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
838 on file from NHTSA, as of 2026-10-19.
About P1516 on the 2007 Hummer H2: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P1516 are shown. Show all
| PIP4578B | 2018-01-16. Service bulletin. ENGINE AND ENGINE COOLING. This PI was superseded to update model years and add information concerning idle surge, reduced engine power mode, and/or DTCs P0068, P0121, P1516, P2101, P2119, and/or P2176 that may be experienced on high mileage vehicles. Please discard PIP4578. |
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| 060604042 | 2007-01-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LR4, LY2, L33, LH6, LM7, L59, LC9, LMG, LY5, LS2, LQ9, LQ4, L76, LY6 THROTTLE ACTUATOR CONTROL (TAC). MODULE CODES, MIL/SES DTC'S P2108, P1516, U0107, REDUCED ENGINE POWER. *KB |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.