P0562 on a Ram 1500
P0562 means system Voltage Low. On the 1500, a few causes come up far more than others.
What P0562 usually means on a 1500
P0562 means the PCM measured system voltage below the normal range on the Ram 1500. The usual causes are a weak battery, a failing alternator, or corroded grounds and terminals, all common on a hard-working truck. These trucks also use a Totally Integrated Power Module (TIPM), and while a faulty power module can occasionally contribute to odd electrical faults, it is a later suspect rather than a first one. Start with a charging-system test, since the basics are far more common and much cheaper.
Most common causes on the 1500
- Weak or aging battery
A battery that cannot hold voltage under load is the cheapest and most common cause to rule out.
- Failing alternator
An alternator that cannot maintain charging voltage drops system voltage low, especially under load.
- Corroded grounds or terminals
Poor connections raise resistance and drop voltage right where the PCM measures it.
- TIPM-related fault
Stated carefully: these trucks have a power module that can misbehave, but it is a later suspect after the basics test good.
What P0562 costs to fix on a 1500
A charging-system test is cheap or free at most shops, and a battery or alternator is a straightforward few-hundred-dollar repair. Cleaning grounds and terminals costs little beyond time. A TIPM, if it truly is the cause, is the expensive outlier and should only be considered after the battery, alternator, and grounds all check out.
Year, engine and mileage change the answer. Start a case and Redline weighs these causes against what your car shows, then names the check that would settle it.
1500 owners also ask
Is P0562 on my Ram the TIPM?
Usually not. The vast majority of low-voltage codes are a weak battery, a failing alternator, or a bad ground connection. Test the charging system first, and only look at the TIPM once those come back good.
Can a bad ground cause voltage codes on a work truck?
It can. Vibration, corrosion, and added accessories can loosen or corrode ground connections, raising resistance and dropping the voltage the PCM sees. Cleaning and tightening the grounds is a cheap thing to check early.
Other codes on the Ram 1500
Related symptoms
Based on widely reported patterns for this model; individual causes vary by year, engine and history. Generic P0562 behavior is covered on the main P0562 page. Confirm with a scan tool before buying parts.
P0562 on your 1500?
Every problem becomes a Case. Tell Redline what your 1500 is doing: it shows what the evidence supports, what’s still missing, and what to check next, before you approve a repair.
“Inner pad ~1 mm. Outer pad 3 mm.”
Next: check the slide pins move freely before buying parts.