Kia OBD Codes: Meaning & Fixes
Kia: 51 error codes with meaning, severity, likely causes and repair cost estimates.
22Codes
3.3Average severity
32%High or critical
14%DIY-friendly
Severity distribution
Generic codes with Kia data
Field data · Kia
Source: NHTSA Complaints API (US government open data), analyzed by DTC mention.
Most viewed
P0420
Powertrain
The bank 1 catalytic converter no longer stores enough oxygen to clean the exhaust properly.
Low
P0172
Powertrain
The engine computer is pulling as much fuel as it's allowed on bank 1 and the mixture is still…
Moderate
P0300
Powertrain
The engine computer sees misfires that jump between cylinders or hit several cylinders at once.
High
P0302
Powertrain
Cylinder 2 keeps misfiring. On inline engines it's a middle cylinder, so rule out coolant…
Moderate
P0303
Powertrain
Cylinder 3 is misfiring. Check whether it misses at idle or under load before you blame…
Moderate
P0304
Powertrain
Cylinder 4 is misfiring. Its end or rear position makes water, oil and intake leaks common…
Moderate
All codes (22)
B1346
Hyundai · Body
The airbag computer measured too much resistance in the driver airbag circuit; it may not…
High
B1448
Hyundai · Body
The sensor mat in the passenger seat cushion failed its self-test, so the passenger airbag…
High
B1764
Kia · Body
Kia's passenger seat detection unit reports a broken sensor mat, so airbag suppression can't be…
High
C1513
Kia · Chassis
The stability control module thinks the brake light switch is lying about whether you're…
Moderate
C1611
Hyundai · Chassis
The ABS/ESC module stopped hearing from the engine computer on the CAN bus and shut off…
Moderate
P0014
Powertrain
The bank 1 exhaust cam won't follow its target and stays too far advanced; think oil, valve…
Moderate
P0018
Powertrain
The bank 2 intake cam is out of step with the crankshaft on a V or boxer engine; chain wear…
High
P0172
Powertrain
The engine computer is pulling as much fuel as it's allowed on bank 1 and the mixture is still…
Moderate
P0300
Powertrain
The engine computer sees misfires that jump between cylinders or hit several cylinders at once.
High
P0301
Powertrain
Cylinder 1 is repeatedly failing to fire. The cause is almost always its coil, plug, injector…
Moderate
P0302
Powertrain
Cylinder 2 keeps misfiring. On inline engines it's a middle cylinder, so rule out coolant…
Moderate
P0303
Powertrain
Cylinder 3 is misfiring. Check whether it misses at idle or under load before you blame…
Moderate
P0304
Powertrain
Cylinder 4 is misfiring. Its end or rear position makes water, oil and intake leaks common…
Moderate
P0420
Powertrain
The bank 1 catalytic converter no longer stores enough oxygen to clean the exhaust properly.
Low
P0463
Powertrain
Fuel level signal reads like an open circuit – most often a corroded tank-top connector…
Low
P0524
Powertrain
Measured oil pressure fell below the safe minimum. Stop the engine now and check the oil before…
Critical
P1326
Kia · Powertrain
Kia's engine computer detected early rod-bearing wear through the knock sensor and capped…
Critical
P1529
Kia · Powertrain
Your Kia's transmission computer found a fault and asked the engine computer to light the check…
Moderate
P1690
Hyundai · Powertrain
The engine computer asked the SMARTRA immobilizer unit to check your key and got no answer back.
Moderate
P1693
Kia · Powertrain
The immobilizer couldn't read a valid code from the chip in your Kia key, so the engine isn't…
Moderate
P200A
Powertrain
The ECU switched the intake runner flaps but the system didn't respond the way it should.
Low
P2106
Powertrain
Reduced-power limp mode: the PCM caught a throttle or pedal fault – look for the companion code.
Moderate