What does B1676 mean on a Ford?

B1676. Battery Pack Voltage Out of Range. Applies to Escape Hybrid and other Ford hybrids (high-voltage battery pack).

What causes B1676 on a Ford?

Degraded high-voltage battery pack Failing battery pack voltage sense circuit Corroded high-voltage service plug connections Weak 12V auxiliary battery skewing measurements Battery control module fault

How do I fix B1676 on a Ford?

Read pack voltage and block voltages with a hybrid-capable scanner Service the 12V auxiliary battery first. It corrupts pack readings Inspect high-voltage connections with proper safety procedures Compare block voltages to find weak blocks Service the pack after confirming with block data (high voltage. Trained technicians only)

Code

B1676

Battery Pack Voltage Out of Range

Category: Body
Severity: Body Warning Light
Applies to: Escape Hybrid and other Ford hybrids (high-voltage battery pack)
Related: P0A80 Replace Hybrid/EV Battery Pack on OBD Codes List

Findings, check these first

Degraded high-voltage battery pack
Failing battery pack voltage sense circuit
Corroded high-voltage service plug connections
Weak 12V auxiliary battery skewing measurements
Battery control module fault

Standard procedure

Read pack voltage and block voltages with a hybrid-capable scanner
Service the 12V auxiliary battery first. It corrupts pack readings
Inspect high-voltage connections with proper safety procedures
Compare block voltages to find weak blocks
Service the pack after confirming with block data (high voltage. Trained technicians only)

Code lookup

Type a code above, or start from a symptom or a common code.

Press / to jump to the box. Ford-enhanced powertrain, body, chassis and network codes. Generic P0xxx codes live on OBD Codes List.

Sources and review

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Last updated 2026-09-25.

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