The Check Engine Gentle (CEL) in your automotive is just not always a sign of impending doom, nevertheless it’s best to certainly not assume the issue is minor. Throughout the case of error code P1326 being triggered by your car’s diagnostic system, related to Hyundai and Kia fashions utterly, you positively don’t want to postpone seeing your mechanic. P1326 pertains to a fault with the Knock Sensor Detection System (KSDS), an engine monitoring experience which will detect excessive bearing placed on. The issue has been prevalent adequate for Hyundai to recall some autos, whereas sellers have been instructed to change engines outright or change software program program. That is the whole thing it is good to know regarding the P1326 error code.
| Code Amount | Code Description | Related Codes |
|---|---|---|
| P1326 | Knock Signal Differ/Effectivity | N/A |
What Does The P1326 Error Code Suggest?
On Hyundai and Kia fashions, the P1326 error code signifies an unusual vibration signal from the KSDS. That’s linked to the engine’s knock sensor, which shows noise and vibrations from the engine block. This vibration signal is picked up by the Powertrain Administration Module (PCM), and if one factor regarding the signal is just not interpreted as common, your car’s diagnostic system will retailer the P1326 code, thereby activating the confirm engine gentle. The KSDS is designed to decide on up a attainable failure related to the connecting rod bearings. Nonetheless, as many Hyundai and Kia householders have discovered, hurt may already be excessive adequate to require an engine various.
What Causes The P1326 Error Code?
If the knock sensor detection system picks up a fault alongside along with your car, there may presumably be quite a lot of causes for it. One of many essential frequent is a malfunctioning knock sensor, which could be a lot much less essential than the worst-case state of affairs. These are the issues that will set off the P1326 error code:
- Faulty knock sensor
- Poor electrical connection for knock sensor
- Engine Administration Module (ECM) desires change
- Necessary engine failure (rod knock, seized engine)
One proprietor of a 2019 Hyundai Tucson expert a scarcity of vitality, an illuminated confirm engine gentle, and the P1326 error code. In response to the provider, the issue was piston slap, whereby the piston rattles or rocks contained within the cylinder. This proprietor wanted to change their car’s engine.
Connecting Rod Bearings: A Troubled Historic previous
Hyundai and Kia have been attempting to deal with factors with failing connecting rod bearings on a number of their cars for years. These factors pertain to Gamma GDI, Theta II, and Nu GDI engines. The connecting rod is a key component that lies between the crankshaft and the engine’s piston. The bearing itself is positioned between the crankshaft and connecting rod. An engine stall or excessive vibration might find yourself from a failed bearing, leading to irreparable engine hurt. In 2017, we reported on 1.2 million Hyundai and Kia autos being affected. Flawed manufacturing processes that go away behind metal particles throughout the engine normally finish outcome throughout the connecting rod bearing failure.
Recognizing the prevalence of the issue, Hyundai and Kia put in software program program on certain autos, generally called the knock sensor detection system (KSDS). As its establish implies, the system is designed to detect failure of the connecting rod bearing sooner than it causes irreversible hurt. This doesn’t actually take care of the muse purpose behind the engines’ flawed design, nonetheless. Following the KSDS change (Service Advertising and marketing marketing campaign 966), certain fashions turned eligible for a 15-year/150,000-mile extended powertrain assure.
Some householders of affected autos benefitted from a class-action lawsuit, the place they might acquire compensation for earlier restore work, towing, and totally different transportation costs. Launched in 2022, the settlement involved over 1.05 million Hyundais and 1.6 million Kia fashions.
Affected Hyundai And Kia Fashions
| Make And Model | Model Yr/s |
|---|---|
| Hyundai Sonata Hybrid | 2011-2019 |
| Hyundai Sonata Plug-In Hybrid | 2016-2019 |
| Hyundai Santa Fe | 2010-2012 |
| Hyundai Tucson | 2010-2021 |
| Hyundai Elantra Coupe | 2014 |
| Hyundai Elantra | 2014-2016 |
| Hyundai Elantra GT | 2014-2020 |
| Hyundai Veloster | 2012-2017 |
| Kia Optima Hybrid | 2011-2020 |
| Kia Optima Plug-In Hybrid | 2017-2020 |
| Kia Sorento | 2011-2013 |
| Kia Sportage | 2011-2013 |
| Kia Forte | 2010-2018 |
| Kia Forte Koup | 2010-2016 |
| Kia Soul | 2012-2019 |
Indicators Of The P1326 Error Code
Considering the potential seriousness of what may presumably be incorrect alongside along with your Hyundai or Kia if it outlets the P1326 error code, it’s unsurprising that a lot of the indicators will probably be noticeable. These are the indicators it’s best to watch out for:
- Robust or flashing CEL
- Car struggles to start
- Robust idle or attainable stalling
- Car enters limp mode
- Lowered effectivity and/or gasoline mileage
A flashing CEL is a specific concern, as a result of it signifies a additional excessive state of affairs that desires urgent intervention.
Can I Drive My Car With This Drawback?
Although it’d nonetheless be attainable to drive your automotive with the P1326 error code triggered, you could be strongly steered to not. Since engine failure is no doubt one of many attainable outcomes, you may enhance the possibility of this occurring in case you occur to proceed driving. In some circumstances, the indicators of this error code will probably be excessive adequate to forestall you from driving your automotive the least bit.
How To Restore A P1326 Error Code On Your Car
The 1st step is to confirm whether or not or not your Hyundai or Kia has saved the P1326 code. You’ll be able to do that by plugging an OBD-II scan gadget into your automotive or taking your automotive to a workshop to have this accomplished. As quickly as you might have confirmed the P1326 error code, you can switch on to the next step. This entails erasing all present codes and able to see if P1326 returns.
Diagnosing the reason for the error code can embrace:
- Updating or altering the PCM
- Checking {{the electrical}} connections and wiring of the knock sensor for hurt
- Checking the knock sensor harness for an open circuit or fast
- Inspecting the knock sensor itself for hurt
The place is the knock sensor positioned? On the 2014 Kia Optima, as an illustration, the knock sensor could possibly be found on the side of the engine block. On the 2013 Kia Rio, though, the knock sensor is beneath the consumption manifold on the doorway of the engine. From automotive to automotive, the exact place of the knock sensor can differ barely, so bear in mind to hunt the recommendation of your handbook.
Below, we’ll see the position of the knock sensor on a Hyundai Sonata after the consumption manifold was eradicated.
Hyundai Service Bulletin
In April 2022, Hyundai launched a service bulletin for sellers, with biggest practices for inspecting the bearings and recommendations for a attainable engine various. The detailed doc specifies the assessments that have to be accomplished for an affected automotive to qualify for an engine various declare and consists of requirements for motion pictures and images demonstrating engine noise, the oil dipstick, and a bearing test.
How Quite a bit Does It Worth To Restore?
In case your automotive qualifies for recall repairs, a warranty extension, or the provisions that fall beneath Hyundai Motor America and Kia America’s settlement, chances are high you may not should pay one thing the least bit to have your car repaired or your engine modified.
Should you occur to need a model new knock sensor, RepairPal estimates it is going to have a imply worth of between $305 and $391 – that applies to all autos. For a Hyundai Sonata, the value of a knock sensor various is between $200 and $248, when you possibly can anticipate to pay between $357 and $442 for the same sensor on the Kia Sorento.
Nonetheless, further evaluation displays that the P1326 code might lead to a lots pricier bill.
In November 2023, the proprietor of a 2019 Tucson was slapped with a $3,200 bill for an engine various after the P1326 code was triggered and their automotive misplaced vitality. In response to data on the NHTSA’s site, this proprietor already had the knock sensor modified in May 2023. The dealership acknowledged the issue as a piston slap, not the rod bearing state of affairs lined beneath assure. The irate proprietor acknowledged “over 100 autos” of their area had the equivalent state of affairs, having triggered the P1326 code, leading to very prolonged wait situations for a restore.
Hyundai and Kia’s hurt administration measures have solely achieved lots. Your biggest hope is to qualify for a full engine various or solely to must change a knock sensor.