B1671
Battery Module Voltage Out Of Range
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)
Symptoms
- Check Engine light comes on
- Reduced efficiency of the vehicle's electrical system
- Problems starting the engine
Causes
- Battery fault
- Problems in the charging circuit
- Electronic control module malfunction
- Poor contact in connectors
- Short circuit in wiring harness
How to Fix
- Check battery voltage with a multimeter
- Inspect connectors and wiring harness for damage
- Check charging circuit and alternator
- Scan the system for other errors
- Replace the battery or control module if necessary