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HUMMER H2 Suspension DTC Codes and Damper Testing Standards
by
flippancy
03 Aug 2026
Common HUMMER H2 suspension/chassis DTC codes include:C1712 — Rear air suspension height sensor circuitC1715 — Front air suspension height sensor circuitC1717 — Front air suspension height sensor supply voltage / out of rangeC0711 — Left front ride-control damper solenoid circuitC0712 — Right front ride-control damper solenoid circuitAlways check the model-year-specific HUMMER H2 service manual for exact code definitions, connector pinouts, and diagnostic procedures. For damper/shock absorber testing, SAE J2820 is commonly referenced for performance/durability testing, and ISO 8608:2016 is often used for classifying road profiles. Verify the current edition of each standard before use.