Question about 2005 Toyota Highlander

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CODE C1201 ENGINE CONTROL SYSTEM MALFUNCTION - 2005 Toyota Highlander

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  • Toyota Master
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Hello, this code usually comes up in conjunction with another code, it just means that another computer on the car can not communicate with the ECM, are there any other codes besides this, is the abs/VSC, TRac cruise control or 4x4 lights on?

Posted on Nov 23, 2017

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Posted on Jan 02, 2017

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jagjeffery
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SOURCE: check engine light fault code PO505

This code is for your electronic throttle control system it probably needs to be cleaned the butter fly sticks due to build up in side the throttle body clean with tooth brush and emission save throttle body cleaner clear codes and then dissconnect the battery for 3 hours hook back up then go for a short drive stop and go to reset idle control that should take care of this.

Posted on Jun 11, 2009

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1 Answer

Fix code C1201


C1201 engine trouble code is about Crankshaft Position Sensor A Circuit Low Input.
The reason of C1201 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input.
Parts or components should not be replaced with reference to only a C1201 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

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My car Toyota gaia has an engine check light on and after diagnosis it gives C1201 code. How do l clear this?


Engine control system fault in the brake system
To clear it fix the braking system
Repair or replace harness and connector
Or replace ecm

Oct 29, 2016 | Toyota Cars & Trucks

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Sir,help me I have 2004 Toyota sienna van XLE ..my engine light was . c1201 ,c1223, c1224, u0123 u0124 u0126 P0430 P0420 Thanks Mr felix


c1223 Malfunction in ABS control system
c1201 Brake Boost Sensor Circuit Range/Performance
c1224 Open or short circuit in NE signal circuit
u0123 Lost Communication With Yaw Rate Sensor Module
u0124 Lost Communication With Lateral Acceleration Sensor Module
u0126 Lost Communication With Steering Angle Sensor Module
p0430 Catalyst System Efficiency Below Threshold Bank 2
p0420 Catalyst System Efficiency Below Threshold Bank 1

you have major problems is it worth fixing???,its gonna be quite a bit

Jun 02, 2015 | Toyota Cars & Trucks

1 Answer

C1422 what is this code mean c 1201


Error Code: C1201.
Description: Engine Control System Malfunction.
Trouble area:
- Inspect engine control system.
- Wiring.
- ECM.
Error Code C1422.
Description: Master Cylinder Pressure Sensor Zero Point High Malfunction.
Trouble area:
- Stop light switch Stop light switch circuit
- Master cylinder pressure sensor circuit
- Brake actuator assembly (Master cylinder pressure
sensor).

Jun 01, 2015 | 2010 Toyota Corolla

2 Answers

HAVE A 2009 COROLLA HELP WITH CODE C1201 WHAT DO I NEED START WITH


Error Code: C1201
Description: Engine control system malfunction.
Possible causes:
- Harness wiring.
- ECM

Oct 02, 2014 | 2009 Toyota Corolla

2 Answers

P0421 CODES AND C1201


C1201 error code means that you have some problem in engine control system.

Possible causes for P0421 error
  • Warm Up Three Way Catalytic converter deterioration or malfunction
  • Exhaust system leaks
  • Loose front or rear HO2Ss
  • Faulty front heater O2 sensor
  • O2 sensors harness is open or shorted
  • O2 sensors poor electrical connection

The P0421 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to be replaced to fix the problem.

Apr 24, 2014 | Toyota Avensis Cars & Trucks

2 Answers

What is the computer code c1201 mean


code C-1201 engine control module C CODES IS PROBLEM IN THE ABS BRAKE SYSTEM AND THE ECM.

Mar 03, 2013 | 2004 Toyota 4Runner

1 Answer

05 sequoia dtc 1201/51


Hi there:This is a CHASSIS fault code... DTC C1201/51 - Engine Control System Malfunction.
Check diagnostic ponout in THIS LINK.
Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Jun 20, 2012 | Toyota Sequoia Cars & Trucks

3 Answers

Check engine light fault code PO505


This code is for your electronic throttle control system it probably needs to be cleaned the butter fly sticks due to build up in side the throttle body clean with tooth brush and emission save throttle body cleaner clear codes and then dissconnect the battery for 3 hours hook back up then go for a short drive stop and go to reset idle control that should take care of this.

Jun 11, 2009 | 2001 Toyota Sequoia

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