By BAT Team (Contact Me)
Last Updated 2017-01-17
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Manufacturer Specific Definitions for P1621

MakeFault Location
AudiInstrument panel, ECT signal - short to ground
BuickEngine control module (ECM) -programmingl memory
CadillacEngine control module (ECM) -memory performance
ChevroletEngine control module (ECM) -malfunction
CitroenControl Module Long Term Memory Performance/ Immobilizer Code Words Do Not Match
DaewooFuel Cut Valve Mal
DodgeSpeed Control Switch Always High
GmcEngine control module (ECM) -memory performance
GmControl Module Long Term Memory Performance Conditions
HummerEngine control module (ECM) memory performance
HyundaiFuel Cut Valve-Malfunction.
IsuzuEngine control module (ECM) – internal memory performance
JaguarEngine control module (ECM)
Land RoverImmobilizer control module
MazdaEngine control module (ECM) – incorrect immobilizer code after cranking
OldsmobileEngine control module (ECM) -memoryperformance
OpelEngine control module (ECM) - defective
PeugeotControl Module Long Term Memory Performance/ Immobilizer Code Words Do Not Match
PontiacEngine control module (EeM) – memory performance
SaabEngine control module (ECM) – memory performance
SaturnEngine control module (ECM) -memory performance
SuzukiImmobilizer control module/engine control module (ECM) – communication malfunction
VolvoInstrumentation control module, real time clock – communication malfunction
VolkswagenInstrument panel, ECT signal - short to ground

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