Powertrain
generic / SAE
P058A
Battery Monitor Module Performance
The battery monitor module is electrically intact but does not deliver plausible measurements - typical for a sensor offset, watchdog event in the module, or a wiring loop that introduces noise on the current measurement.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 8A
Possible causes
- Module reads with drift high
- Module software outdated, reflash may resolve low
- Supply voltage outside specification low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 120–400 €
- Estimated time: 0.4–1.5 h
- Component: battery monitor module
- MIL / check engine light
Sources
References
sae:J2012