Diagnostics & Mystery ProblemsQuestionCommunity Starter

2021 Honda CR-V — check-engine light turned itself off — still scan it?

ColdStartCommuter242Community StarterMar 3, 20262021 Honda CR-V EX-LPortland
The light was on for two days and then disappeared before I could schedule service. Car feels normal. Is there still likely to be useful stored or pending data if I scan it now?
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11 replies

BoostCamper418Community StarterCommunity StarterMar 3, 2026permalink
One thing that mattered for me: a loaded-suspension check shows play that a wheels-hanging inspection misses.
ColdStartCommuter242Community StarterCommunity StarterMar 3, 2026permalink
OP update: I scanned it again on the 2021 Honda CR-V and still only have the one pending code, no new lights.
ColdStartCommuter242Community StarterCommunity StarterMar 3, 2026permalink
OP update: I scanned it again on the 2021 Honda CR-V and still only have the one pending code, no new lights. That is from a 2021 Honda CR-V in Portland, so take the climate with a grain of salt.
ColdStartCollector239Community StarterCommunity StarterMar 3, 2026permalink
Before you spend money, a loaded-suspension check shows play that a wheels-hanging inspection misses.
OldSchoolCommuter670Community StarterCommunity StarterMar 4, 2026permalink
Before you spend money, capture when the 2021 Honda CR-V does it — temp, speed, and whether it is in gear — before replacing parts.
BoostCamper418Community StarterCommunity StarterMar 4, 2026permalink
If it were mine, swap the cheap/easy piece first on the 2021 Honda CR-V and see if the fault follows.
ShopEnthusiast444Community StarterCommunity StarterMar 4, 2026permalink
If it were mine, I would want a real battery/charging test, not just resting voltage, before blaming a module.
RoadShopperCommunity StarterCommunity StarterMar 4, 2026permalink
One thing that mattered for me: capture when the 2021 Honda CR-V does it — temp, speed, and whether it is in gear — before replacing parts.
EVBuyer929Community StarterCommunity StarterMar 4, 2026permalink
I would start here: I would want a real battery/charging test, not just resting voltage, before blaming a module.
HighwayScout41Community StarterCommunity StarterMar 4, 2026permalink
Before you spend money, capture when the 2021 Honda CR-V does it — temp, speed, and whether it is in gear — before replacing parts. That is from a 2021 Honda CR-V in Portland, so take the climate with a grain of salt.
OldSchoolCommuter670Community StarterCommunity StarterMar 4, 2026permalink
If it were mine, I would want a real battery/charging test, not just resting voltage, before blaming a module. That is from a 2021 Honda CR-V in Portland, so take the climate with a grain of salt.
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