The Lemon IndexThe electrically heated thermostat circuit reads too low.
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
Failed thermostat heater. Then: wiring fault.
Owners named P0598 in 5 complaints to the U.S. government, most often on the Chevrolet Volt.
Cars owners report it on
Complaints that name P0598, by model. Raw counts, not a failure rate: popular models get more complaints.
Years owners report it on most: 2017 Chevrolet Volt
The details
What P0598 means
The electrically heated thermostat circuit reads too low.
Can I drive with P0598?
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
40% of the owner complaints that name P0598 also say the car stalls or shuts off. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P0598
- Failed thermostat heater
- Wiring fault
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Stalls or shuts off: 40% of complaints
- Warning lights and electrical faults: 40% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P0598 most
2017 Chevrolet Volt (2).
Related codes
P0597 P059F P0571 P0562 P0556 P052E P0524 P0523
Quick answers
What does P0598 mean?
Thermostat Heater Control Circuit Low. The electrically heated thermostat circuit reads too low.
Can I drive with P0598?
Drive on, get it checked. You can usually keep driving. Have the code read at your next service or within a few weeks.
What causes P0598?
Failed thermostat heater; Wiring fault.
Counts: NHTSA owner complaints whose text names P0598. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.