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chad crocker Posted on Feb 11, 2012
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Two codes of 1125 - 2004 Chevrolet Silverado 1500 Crew Cab

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  • Posted on Feb 11, 2012
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This code sets when the indicated o2 sensor rich / lean transitions are less than the specified amount that the pcm wants to see. You need to determine if these sensors are staying lean, (possible vacuum leak,weak fuel pump for example) or rich(faulty map or mass airflow signal, or leaky injector for example) Either code can be a faulty sensor also,but there are many other things to consider before throwing parts at it. Your first challenge , is using the data stream to see what the sensors are telling you, and then to determine what is causing this. This is what drives real mechanics up the wall, people go to the auto parts store, get codes read for free, replace o2 sensors,and it turns out to be a vacuum leak. Believe me, if there was a machine that just told you what's wrong, we would all have one! Let me know if I can help furthur, glad to do it!Good luck!

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0helpful
2answers

2008 Pontiac Grand Prix 1125 obd code

P1125 ????
DTC P1125: Accelerator Pedal Position (APP) System

Circuit/System Description
The throttle actuator control (TAC) system uses two accelerator pedal position (APP) sensors to monitor the accelerator pedal position. The APP sensors 1 and 2 are located within the pedal assembly. Each sensor has the following circuits:
• A 5-volt reference circuit
• A low reference circuit
• A signal circuit
0helpful
1answer

Obd 2 codes 1125, 1295, 1515 on a 2000 Isuzu rodeo, we replaced the throttle position sensor, it will crank but won't start

does it have spark ? pull a plug wire an check , does it have fuel pressure ? Did you do the diagnostic test's for each code ?
2001 isuzu rodeo CEL light codes P1515 P1295 P1125
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1answer

2004 isuzu rodeo codes P1125, P1295 and P1515 what do they mean ?

no engine stated.
answering for usa rodeo. only. on a usa forum.
it means trouble; the factory manual covers this.
As does mitchells DIY online, read that much>?
those are called DTCs , scan codes. diagnostic trouble codes.
The PCM looks for problems all the time running,
CALLED MONITORS (a sort of nanny)
all cars do this 96 to now, in USA. by law.
If no book or no mitchells try google (or the like)
if you had you'd have seen isuzu examples.

but google finds this in 1 click.

the great justanswersl.com (ASE Techs)?
1125
1295
1515
DTC P1125: ELECTRIC THROTTLE CONTROL (ETC) LIMIT PERFORMANCE MODE.
2nd hit.,
P1125 Isuzu Electronic Throttle Control Limit Performance Mode P1221 Isuzu Throttle Position Sensor 1-2 Circuit Performance P1295 Isuzu Electronic Throttle Control Power Management Mode P1515 Isuzu TP Sensor To MAF Sensor Correlation


the first hit said, bad grounds top engine to PCM
and bad harness wires to above same place.
but as all techs, no, bad wires, happen all the time.
as do vast other reasons.
what I do , as the FSM states, clearly
is pick one failure and correct it, and sometimes gets them all.
like blown fuses do, on all vehicles.

1125 means limphome, is in force Low power too.
the TPS is acting up.
the 1515 means in English
that the Throttle angle and air flow dO NOT JIBE.
my jeep books calls that "incongruity": (nicer word)
or they differ. and should not.
i'd be checking the TPS voltages. for correct voltage.
this can fail for wires, rust, and bad sensors.
the word performance means it reads funny. (wrong)


we use a real scan tool and a real volt meter to see what the readings are on these parts.
why not get a real ASE tech to find it.
they know all that electronics magic,
ALL learn that there can be false codes.
one failure can trip many codes, but only one is the fundamental code.

or vacuum leaks cause many errors but not one
states vacuum leaks.
see?
0helpful
1answer

What does error code 1125 indicate?

Common CHP Codes and Shorthand - Lost Coast Outpost ...

lostcoastoutpost.com/chpwatch/codes/
1097, Arrived on scene. 1098, Assignment completed. 1110, Take a report. 1124, Abandoned vehicle. 1125, Traffic hazard. 1126, Abandoned vehicle, occupied.
0helpful
1answer

What is Saab code 1125 &07E8

The code 1125 is your throttle body, when they get dirty or stick they toss up a code. It will need to be replaced or cleaned. On Ford or GM cars we just remove them carefull not allowing dirt or tools to fall in after removing. Get some carb cleaner and clean all the dirt and carbon grime, out of it. be careful not to damage the sensor. Ask shop about cleaner you use not sure about safty on car made in Europe. Put back and things should be ok, If not you will need to replace it. Other code I believe is a junk code. readers seem to be not able to read sub codes unless it is from factory.
0helpful
1answer

I have saab 9-3 1.9tid 05 fault code 1125. can anyone tell me what this is?

P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control
fuel is getting to hot ,this is a renault engine and in the fuel filter is a temperature sensor i think which could be faulty or take the fancy plastic cover off the engine so the air can circulate better
2helpful
1answer

Diagnostic codes

P1226 Control Sleeve Sensor Malfunction
P1126 Throttle Position (Narrow Range) Sensor Circuit Malfunction
P1125 Throttle position sensor intermittent
I would say u are safe to assume the trottle sensor is defective or the wiring to the sensor is open or shorted. check the connector for pushed out pins.
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