INDEPENDENT REFERENCE

P0562 — System voltage low

Generic powertrain DTC · MEDIUM priority for follow-up (not a certified safety rating)

What the code means

The control module detected supply voltage below its expected range.

What you might notice

Battery warning; dim lights; start difficulty; multiple electronic faults.

Possible causes — not a diagnosis

Weak battery; alternator/charging system issue; high-resistance wiring; belt problems.

Useful diagnostic checks

Test battery state, charging voltage and cable voltage drop using safe procedures.

Next steps

Repair charging or power-distribution faults; if engine stalls, arrange recovery.

Related OBD-II codes

These generic definitions are explanatory summaries of commonly standardized OBD-II powertrain conditions. Vehicle-specific code logic and service procedures must be verified against manufacturer documentation. EPA: On-board diagnostics.