Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Test T

PINPOINT TEST T: DTC B1676 BATTERY PACK VOLTAGE OUT OF RANGE


Test T1:






Normal Operation
The DSM is powered by battery voltage from circuit 29-AH35 (OG/YE) and 30-AH80 (RD) and is supplied ground on circuit 31-AH80 (BK).

Possible Causes
DTC B1676 battery pack voltage out of range can be caused by:
- a faulty DSM.