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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 353 (Hybrid/EV Energy Storage System) >> Diagnostic Information and Procedures >> DTC P1A1F or P1A4E >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

P1A1F 

The calculated battery voltage measurement is less than 168 V for 4 seconds

OR

Individual hybrid battery voltage measurement is less than 8.4 V for 4 seconds.

P1A4E 

The calculated battery voltage measurement is greater than 408 V for 4 seconds

OR

Individual hybrid battery voltage measurement is greater than 20.4 V for 4 seconds.

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