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P0562 is a diagnostic trouble code (DTC) for "OBD-II System Voltage Low Diagnostic Trouble Code (DTC) P0562". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.
The P0562 code is stored when the PCM (powertrain control module) detects a vehicle voltage that is lower than requested. If the vehicle voltage level dips below 10.0 volts for 60 seconds or more while at idle, the PCM will store the code.
A vehicle’s charging system works to maintain a normal vehicle voltage level, usually in the range of 14.1 to 14.4 volts DC at idle with headlights turned off. If for any reason, the PCM detects that the vehicle voltage level is too low, the P0562 code will be set, and the MIL (Malfunction Indicator Light) or Check Engine light will illuminate.
A number of issues can occur to cause the vehicle voltage level to drop and the P0562 code to be stored, including:
There are a few noticeable symptoms that come with a P0562 code being stored. These include:
Most of these symptoms can be associated with other codes and other problems with the vehicle. If your engine dies at idle and fails to start again, you may assume that your battery is at fault. There are numerous issues that could be at work with a P0562 code, though, which is why it’s important to have a professional mechanic diagnose the cause of the issue.
Using an OBD-II scanner, a mechanic will first find out if there are any other codes stored that relate to the charging system. After this, they will methodically work through potential causes for the code being stored. If a problem is found, such as a poor charging system ground, they will fix it, clear the code, and then retest it to ensure that they’ve found and repaired the problem.
The most common mistakes involving the P0562 is a rushed misdiagnosis. Often, it’s assumed that the problem is a faulty or dead battery or an issue with the starter. Replacing either will not keep the code from storing and will not solve issues with stalling and other symptoms.
If the vehicle voltage level dips too low, the vehicle may stall at idle and may not be able to start again. For this reason, it’s important to address the problem immediately to ensure your safety and the safety of others when you’re on the road.
A few of the most common repairs for a P0562 code:
In some rare cases, a P0562 code will not have any symptoms other than an illuminated Check Engine light. If this is the case, the problem still needs to be addressed immediately, as the underlying problem could become symptomatic and could leave you stranded. Also, to pass an OBD-II emissions test, you’ll need to ensure that all codes are cleared and that the Check Engine light is not illuminated.
YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6220.