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Service bulletins for the 2010 Kia Forte

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.

87 on file from NHTSA, as of 2026-10-19.

About P0304 on the 2010 Kia Forte: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: P0304 are shown. Show all

Bulletins, newest first
TSB-051 REV2010-10-29. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL. KIA: AUTO CRUISE CONTROL LOGIC UPDATE FOR UPHILL DRIVING PERFORMANCE IMPROVEMENT. THE ACTION WILL INVOLVE A REPROGRAM OF THE CRUISE CONTROL LOGIC AND IMPROVE ROUGH IDLE AND/OR P0304 LOGIC FOR 2.0L VEHICLES WITH VCM (VARIABLE CHARGE MOTION ACTUATOR). *PE
TSB-0702010-10-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). KIA: ECM UPGRADE FOR P0304 DUE TO VCM MOTOR VARIATION. PROVIDES THE PROCEDURE TO UPGRADE THE POWERTRAIN CONTROL MODULE (PCM) OF SOME MODEL YEAR VEHICLES. REFLASH HAS ENHANCED VCM (VARIABLE CHARGE MOTION) ACTUATOR LOGIC TO IMPROVE A ROUGH IDLE CONDITION AT START UP OR A MIL ON AND STORED DTC P0304 SET AT START-UP. *PE
TSB-070 REV 12010-10-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. KIA: PCM UPGRADE FOR P0304 DUE TO VCM MOTOR VARIATION. PROCEDURE TO UPGRADE THE POWERTRAIN CONTROL MODULE (PCM) OF SOME VEHICLES. THIS REFLASH HAS ENHANCED VCM (VARIABLE CHARGE MOTION) ACTUATOR LOGIC TO IMPROVE A ROUGH IDLE CONDITION AT START UP OR A MIL ON AND STORED DTC P0304 SET AT START UP. *PE
TSB-0592010-04-26. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE. KIA: SERVICE ACTION: PCM UPGRADE DTC P0304 CYLINDER MIS FIRE WITH 2.0L ENGINE AND A/T LOGIC (SA0250 SOME VEHICLES MAY EXPERIENCE A MIL ON WITH DTC P0304 STORED IN MEMORY. IN MOST CASES THE DTC IS SET ONLY DURING A COLD START AND NORMALLY THE CUSTOMER DOES NOT NOTICE ANY ENGINE STUMBLE, ROUGHNESS OR PERFORMANCE ISSUES. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.