Hyundai Sonata P1326 Code: What It Is And How To Fix It

The P1326 error code for the Hyundai Sonata signifies a fault with the midsize sedan’s Knock Sensor Detection System (KSDS). This methodology was put in on many Hyundai and Kia vehicles as a preventative measure to detect excessive bearing placed on, which could end in engine failure. The Korean firms wanted to deal with lawsuits and recollects pertaining to this topic, so in case your Sonata has triggered the Confirm Engine Mild (CEL) and the P1326 error code, it is a matter that requires quick intervention.

What Does The P1326 Error Code Suggest?

In case your Sonata’s diagnostic system has registered the P1326 error code, it signifies that an atypical vibration signal has been detected from the KSDS. This signal will then be picked up by the Powertrain Administration Module (PCM). These vibrations level out the onset of damaging connecting rod bearing placed on.

Hyundai and Kia put in software program program often known as KSDS on some fashions, along with the Sonata. This arrange was achieved as a response to many Korean fashions experiencing engine failure due to faulty connecting rod bearings, nonetheless it was a Band-Help on a bullet wound. In our regular P1326 error code piece – P1326 is a manufacturer-specific code that solely applies to Hyundais and Kias – we detailed the historic previous of this topic and the entire Hyundais and Kias that had been left affected.

Affected Hyundai Sonata Fashions

A category-action lawsuit involving the engine bearing topic that triggered the P1326 fault code led to a settlement in 2022, the place tens of tens of millions of house owners had been compensated for devices like earlier repairs and towing costs. Over 1.05 million Hyundais had been involved, along with the 2011-2019 Sonata Hybrid and 2016-2019 Sonata Plug-In Hybrid.

Engines that had been implicated embrace the four-cylinder Theta II mill, every in 2.0-liter and a pair of.4-liter variants. Inside the Sonata Hybrid, the Nu GDI engine moreover acquired right here beneath fire for the same topic.

In September 2015, spherical 470,000 Sonatas for the 2011-2012 model years had been recalled for a connecting rod placed on topic that will end in an engine stall. Hyundai traced the fault to metallic particles that would probably be left inside the crankshaft all through manufacturing. No matter assure extensions and the fitment of the KSDS, many complaints on the NHTSA site proceed to roll in for engine factors concerning the P1326 error code.

On Automotive Complaints, the 2011 Sonata has basically essentially the most complaints per model yr by far, and Sonatas had been most incessantly troublesome due to engine troubles. Notably, many householders expert engine seizing, which is a worst-case state of affairs that would probably be preceded by the P1326 error code.

What Causes The P1326 Error Code?

These are the potential causes of a P1326 error code in your Hyundai Sonata:

• Malfunctioning knock sensor
• Faulty knock sensor electrical connection
• Engine Administration Module (ECM) requires substitute
• Essential engine failure (rod knock or seized engine)

A piston slap or engine detonation would possibly moreover set off this error code.

Indicators Of The P1326 Error Code

You can probably experience the subsequent indicators in your Hyundai Sonata if it has triggered this fault code:

• Sturdy or flashing check engine mild
• Arduous begins
• Powerful idle or potential stalling
• Automotive enters limp mode
• Decreased effectivity
• Elevated fuel consumption

A flashing check engine mild is especially concerning, as this may occasionally level out that the difficulty has progressed to a additional important stage.

Can I Drive My Hyundai Sonata With This Concern?

We do not advocate driving your Hyundai Sonata if it has saved the P1326 error code. Once you do, you risk inflicting irreparable engine hurt to your automobile.

How To Restore A P1326 Error Code On Your {Car}

As quickly as you’ve got acquired established that the P1326 error code has been triggered using an OBD-II scan instrument, it’s possible you’ll progress to the following steps for diagnosing the exact topic. An preliminary step is to clear the error code/s and check if the P1326 code returns. If it does, it’s possible you’ll switch on to the following steps. Ideally, a mechanic will advocate certainly one of many following steps:

1. Study the knock sensor for hurt and substitute if wanted
2. Confirm electrical connections and wiring of knock sensor for hurt
3. Confirm knock sensor harness for open circuit or fast
4. Confirm detonation sensor’s state of affairs
5. Reprogram ECM

Hopefully, the KSDS would’ve achieved its job and detected accelerated connecting rod bearing placed on sooner than it causes catastrophic hurt.

Discovering the knock sensor shall be certainly one of many early steps to take. Underneath, we’re capable of see the position of it on a Sonata. Nonetheless, the consumption manifold wanted to be eradicated first.

In a service bulletin launched by Hyundai, certain Sonatas grew to develop into eligible for an engine various due to rod bearing placed on or hurt. Nonetheless, sellers wanted to adjust to a sophisticated course of to look at vehicles and get them accepted for an engine various, normally leading to householders being with out their vehicles for extended durations of time.

How Loads Does It Worth To Restore?

In case your Hyundai Sonata licensed for an engine various, a warranty extension, or was involved inside the settlement, it couldn’t worth you one thing to have it repaired.

If no important hurt has affected the engine, you would possibly merely need a model new knock sensor, which RepairPal estimates goes for between $200 and $248 for the Sonata.

Repairing the connection to the knock sensor circuit can worth wherever from $50 to $500, whereas updating the ECM couldn’t worth you one thing the least bit if in case you will have it achieved at a provider.

If it’s important to substitute or rebuild the engine outside of the assure, this shall be a way more pricey job. This would possibly worth you over $8,000, nonetheless it’s possible you’ll avoid the worst-case state of affairs by certainly not ignoring a check engine mild and having your car recognized immediately.