Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
MAZDA
Reported code forms P0638:00
After parking the vehicle in temperatures below freezing, some customers may experience a lack of power with the check engine light on and DTCs P0638:00 and/or P2112:00 stored in memory. - P0638:00: Throttle valve…
MAZDA
Reported code forms P0638:00
After parking the vehicle at temperatures below the freezing, some customers may experience a lack of power with the check engine light on and DTC P0638:00 and/or P2112:00 stored in memory. - P0638:00: Throttle valve…
MAZDA
Reported code forms P0638:00
After parking the vehicle at temperatures below the freezing, some customers may experience a lack of power with the check engine light on and DTC P0638:00 and/or P2112:00 stored in memory. - P0638:00: Throttle valve…
HYUNDAI
Reported code forms P0638
HYUNDAI: SANTE FE 2010-2012; ECM SOFTWARE IS REQUIRED FOR 3.5L SANTE FE VEHICLES WITH MALFUNCTION CODES DTC P0638, DTC P2106, & P2110. *LJ
KIA
Reported code forms P0638
TSB: SERVICE ACTION: ECM UPGRADE ? MIL ON WITH DTC P0638 AND ETC MOTOR CLEANING (SA153) - This bulletin provides information related to the ECM software upgrade for some 2011-2013MY Sorento 3.5L MPI vehicles, produced…
HYUNDAI
Reported code forms P0638
HYUNDAI: DTC P2135/P0638 OR COLD ENGINE RPM FLUCTUATION; TPS REPLACEMENT AND ECM UPDATE. SOME 2.7L, 3.3L OR 3.8L ENGINES IN MODELS IDENTIFIED IN THE APPLICABILITY LIST MAY EXPERIENCE ONE OR MORE OF THE CONDITIONS…
KIA
Reported code forms P0638
KIA: ECM UPGRADE WITH TP SENSOR REPLACEMENT-MIL ON WITH DTC P2135/P0638. INFORMATION RELATED TO ECM SOFTWARE AND TP SENSOR UPGRADE ON SOME VEHICLES WITH 2.7L ENGINES WHICH MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP…
HYUNDAI
Reported code forms P0638
HYUNDAI: SOME VEHICLES MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP ILLUMINATED WITH THE ETC (ELECTRONIC THROTTLE CONTROL) SYSTEM RELATED DTC P2135 ( FORCED LIMITED POWER) OR DTC P0638 (POWER MANAGEMENT). *PE
KIA
Reported code forms P0638
KIA: ON SOME VEHICLES WITH 2.7L ENGINES, THE ECM SOFTWARE AND TP SENSOR UPGRADE MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED WITH THE ELECTRONIC THROTTLE CONTROL (ETC) SYSTEM RELATED DTC P2135 OR P0638…
HYUNDAI
Reported code forms P0638
HYUNDAI: MIL ON DTC P2135 OR P0638 OR COLD ENGINE RPM FLUCTUATION- TPS REPLACEMENT & ECM UPDATE. SOME VEHICLES MAY EXPERIENCE EITHER SLIGHT ENGINE RPM FLUCTUATION AT COLD WARM UP OR MALFUNCTION INDICATOR LAMP…
HYUNDAI
Reported code forms P0638
HYUNDAI: SOME VEHICLES MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP ILLUMINATED WITH THE ETC (ELECTRONIC THROTTLE CONTROL) SYSTEM RELATED DTC P2135 OR DTC P0638. *PE
SATURN
Reported code forms P0638
SERVICE ENGINE SOON (SES) AND/OR REDUCED POWER LAMP ILLUMINATING FOLLOWING COLD ENGINE START UP IN SUBFREEZING TEMPERATURES, DIAGNOSTIC TROUBLE CODES (DTC) P0638, P1510 AND/OR P1516 STORED IN ENGINE CONTROL MODULE…
SATURN
Reported code forms P0638
SERVICE ENGINE SOON (SES) AND/OR REDUCED POWER LAMP ILLUMINATED, LIMITED THROTTLE RESPONSE FOLLOWING COLD ENGINE START UP, DIAGNOSTIC TROUBLE CODE (DTC) P0638. *TT
CADILLAC
Reported code forms P0638
INTERMITTENT NO POWER, STALL, MALFUNCTION INDICATOR LAMP (MIL) WITH TPS, TAC, TCM DIAGNOSTIC TROUBLE CODES (DTCS) SET P0120, P0121, P0122, P0123, P0220, P0221, P0223, P0225, P0226, P0227, P0228, P0638, P0700, P1779,…
SAAB
Reported code forms P0638
DIAGNOSTIC TROUBLE CODE P0638 AND/OR P1682, DISLOGED PINS IN H42-2. *TT
MITSUBISHI
Reported code forms P0638
DIAGNOSTIC TROUBLESHOOTING INSTRUCTIONS IN SERVICE MANUAL FOR MFI DIAGNOSTIC TROUBLE CODE (DTC) P0638 THROTTLE ACTUATOR CONTROL MOTOR CIRCUIT RANGE/PERFORMANCE PROBLEM ARE INCORRECT. THIS BULLETIN CONTAINS CORRECTED…