# Service bulletin PS554

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10136620
- Published by NHTSA: 2018\-05\-14
- Manufacturer's number: PS554
- Manufacturer's date: 2018\-04\-18
- NHTSA component: EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

## NHTSA's summary

PITSTOP \- DTC?S P0A0F AND P040400 AND/OR IMPROPER A/C OPERATION \- When addressing a concern related to DTC?s P0A0F \(Engine failed to start\), P040400 \(Exhaust Gas Recirculation Control Circuit Range/Performance\), and/or improper A/C system operation, note that the cause may be related to a shorted A/C Pressure Transducer Wiring Harness \(B\) as a result of interference with the engine drive belt idler pulley, in vehicles produced prior to August 21, 2017. If this condition is found, the harness \(A\) should be repaired, re\-routed and secured away from the pulley to prevent it from damage. Confirm all related components are functioning as designed.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10136620-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10136620-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Equipment and accessories, Exhaust and emissions, Heating and air conditioning

## Trouble codes named

P0404, P0A0F

## Vehicles listed

- 2017 to 2018 KIA NIRO

## Recalls for the same vehicles and component

- [2018218](/recalls/tc/2018218.md), 2018-05-01: Engine

## Other bulletins for the same vehicles and component

- [TSB\_ENG222\_R8](/bulletins/11017109.md), 2025-04-18, Service bulletin: ENGINE. TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES \- This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011\-2024MY vehicles \(refer to the table on pages 9 and 10 for applicable models and engine\), which may exhibit a symptom of excessive oil consumption.
- [TSB\_ENG222\_R7](/bulletins/11014912.md), 2025-03-04, Service bulletin: ENGINE. TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES \- This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011\-2024MY vehicles \(refer to the tables on pages 8\-9 for applicable models and engine\), which may exhibit a symptom of excessive oil consumption.
- [TSB\_CLI049\_R1](/bulletins/10238225.md), 2023-07-05, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:COMPRESSOR; VISIBILITY. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR \- ELECTRICAL A/C COMPRESSOR \- This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information regarding partial repair of the Air Conditioning \(A/C\) compressor assembly on some 2011MY\~ Optima Hybrid \(TF HEV, JF HEV/PHEV\), 2015MY\~ Soul EV \(PS EV\), 2017MY\~ Niro \(DE HEV/PHEV/EV\), 2022MY\~ EV6 \(CV\), 2021MY\~ Sorento \(MQ4 HEV/PHEV\), 2023MY\~ Sportage \(NQ5 HEV/PHEV\), and 2023MY\~ Niro \(SG2 EV/HEV/PHEV\) vehicles.
- [TSB\_ENG219\_R1](/bulletins/10220346.md), 2022-09-30, Service bulletin: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: MAINTENANCE REMINDER FEATURE \- This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area.This bulletin provides information on setting the "Service Interval Reminder" feature available on most 2014\-2023MY Kia vehicles \(refer to model list on page 2\). If the service interval reminder is set, the customer will be informed to have the next maintenance service performed, which can positively affect vehicle longevity and performance. Refer to TSB ENG241 for 2023MY\~ vehicles equipped with the Oil Life Management System \(OLMS\) feature not included in table on page 2.
- [PS730](/bulletins/10212200.md), 2022-06-03, Service bulletin: ENGINE AND ENGINE COOLING. PITSTOP: RANDOM MISFIRES/OVERHEATING DUE TO LOW COOLANT \- This Pitstop provides information to help identify one cause of low coolant, random misfires, and/or possible overheating on some 2017\-2022MY Niro HEV \(DE HEV\) and 2018\-2022MY Niro PHEV \(DE PHEV\) vehicles. The cause may be a small coolant leak in the EGR Cooler. Locating this leak may be difficult.
- [TSB\_ENG222\_R6](/bulletins/10209438.md), 2022-03-31, Service bulletin: ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES \- This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011\-2021MY vehicles \(refer to the tables on pages 8\-9 for applicable models and engine\), which may exhibit a symptom of excessive oil consumption.
- [TSB\_ENG222\_R5](/bulletins/10206642.md), 2022-01-20, Service bulletin: ENGINE; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES \- This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011\-2021MY vehicles \(refer to the tables on pages 8\-9 for applicable models and engine\), which may exhibit a symptom of excessive oil consumption.
- [TSB\_ENG222\_R4](/bulletins/10205426.md), 2021-12-23, Service bulletin: EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. TECHNICAL SERVICE BULLETIN: EXCESSIVE OIL CONSUMPTION NU/GAMMA/THETA/KAPPA ENGINES \- This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on diagnosing and/or repairing some 2011\-2021MY vehicles \(refer to the tables on pages 8\-9 for applicable models and engine\), which may exhibit a symptom of excessive oil consumption.
- [TSB\_ELE231\_R3](/bulletins/10205425.md), 2021-12-23, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; FORWARD COLLISION AVOIDANCE; VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM; LANE DEPARTURE. TECHNICAL SERVICE BULLETIN: FRONT VIEW CAMERA REPLACEMENT FOR DTC C160449 \& C160649 \- This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information on the inspection and replacement of the front camera on some vehicles. Due to an internal control chip concern inside the camera, the vehicle may exhibit a Forward Collision Avoidance Assist Warning Lamp \(A\) and/or Master Warning Lamp \(B\) with C160449 and/or C160649 codes. Certain systems may become temporarily disabled during occurrences: Smart Cruise Control \(SCC\), Lane Keep Assistance \(LKA\), Lane Departure Warning \(LDW\), Forward Collision\-Avoidance Assist \(FCA\), Forward Collision Warning \(FCW\) and/or Driver Attention Warning \(DAW\).
- [PS713](/bulletins/10203456.md), 2021-12-01, Service bulletin: ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. PITSTOP: NO START / NO DTC WITH KEY IGNITION \- This Pitstop provides information to help troubleshoot a "no start" symptom on some 2017\-2022MY Niro LX HEV \(DE HEV\) vehicles with standard 'key start' ignition. The 'Ready' icon on the instrument cluster will not illuminate 'ON'. The issue happens when the Hybrid Power Control Unit \(HPCU\) does not unlock the immobilizer when the start signal is sent.

JSON: [/v1/bulletins/10136620](/v1/bulletins/10136620)

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