Saab 900 9000 with LH system 1985-1993Fault codes Chart |
|
code |
cause |
possible cure
|
|
|
12111
|
Learning fault in lambda(air fuel mixture adj)
|
vacuum leak,oxygen sensor,air mass meter
|
|
| 12112 |
Learning fault in lambda(air fuel mixture adj)
|
vacuum leak,oxygen sensor,air mass meter
|
|
| 12113 |
learning fault idling adj. too low
|
Iac valve, dirty ground points,bad ecu
|
|
| 12114 |
learning fault idling adj. too high
|
Iac valve, dirty ground points,bad ecu
|
|
| 12211 |
battery + voltage below 10 volts or above 16
|
Battery, alternator,wiring
|
|
| 12212 |
throttle position switch's idle contact faulty
|
throttle switch adj. or itself,
|
|
| 12213 |
throttle position switch's wide open throttle faulty
|
throttle switch adj. or itself,
|
|
| 12214 |
engine coolant temp sensor signal faulty
|
(ntc)eng temp sesor on intake mani fold
|
|
| 12221 |
mass air sensor no signal
|
mass air flow sensor
|
|
| 12222 |
idle adj faulty
|
Iac valve
|
|
| 12223 |
fuel air mixture too lean
|
vacuum leak,oxygen sesor,air mass meter
|
|
| 12224 |
fuel air mixture too rich
|
oxygen sesor, air mass meter
|
|
| 12225 |
oxygen sesor preheating faulty
|
blown or missing fuse,bad oxygen sesor
|
|
| 12231 |
No igntion signal this always comes on as first code
as engine is not on
|
ignore unless car won't start
|
|
| 12232 |
Voltage for memory>1 volt
|
wiring
|
|
| 12333 |
eprom fault
|
ecu ( brain)
|
|
| 12241 |
injector faulty
|
this code comes up a lot but is normally false(ignore)
|
|
| 12242 |
no air mass sensor filament burn off
|
bad air mass meter
|
|
| 12243 |
no speed signal
|
||
| 12244 |
no drive signal to pin 30
|
||
| 12245 |
egr function faulty
|
cloged egr valve(if this code comes up you should have
ecu replaced and blank off egr)
|
|
| 12251 |
throttle position sensor faulty
|
tps fault
|
|
| 12252 |
evap purge fault
|
||
| 12254 |
no rpm signal
|
this is pin 1 on all LH ecu's
|
|
| 22511 |
load signal to ezk(ign)failed
|
||
| 22512 |
knock sensor fault
|
||
| 0000 |
no faults
|
go back in the house for a beer
|
|
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(This article is meant only to educate a consumer,or a guide line for professionals. You can cause serious damage to your vehicle and/or cause yourself injury. Only those qualified should attempt repairs. I do my best to assure that the above info is correct but take no responsibility for any damages incurred.)
e-mail with any tech questions |
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