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Discussion Starter #1
Just bought this car. Many codes popped up after 200+ miles. The mechanic who checked it obviously didn't have a good enough scanner to find the codes hidden in memory. Or is it possible to wipe all evidence away?
The worst seems to be ECM codes which I discovered with my BLue driver.
P0607 SCION Courtesy of a code website...
Faulty Engine Control Module (ECM) Engine Control Module (ECM)
Harness power supply circuit is open or
shorted Engine Control Module (ECM) Programming

U0100 SCION - Lost Communication With Engine Control Module/Powertrain Control Module
U0100 SCION Possible Causes
Faulty Engine Control Module (ECM) / Powertrain Control Module (PCM)

QUESTION.
Do I need to replace ECM? Isee companies offering programmed ECM. Is this a good idea? Anyone have recommendations?
I cannot find the ECM. I took off glove compartment and nothing there. Where is it?
I saw someone posted a link to online manuals but those no longer work. Anyone have a copy plse?
Here are the other codes.
Any ideas where to start would be appreciated. Garage is out of question. Only on Social Security.
Code plus commentary via one of the code websites
P0138
P0138 SCION Possible Causes

Faulty Rear Heated Oxygen Sensor Bank 1
Rear Heated Oxygen Sensor Bank 1 harness is open or shorted
Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection
Intake air leaks
Exhaust gas leaks
Inappropriate fuel pressure
Faulty fuel injectors

Replacing the Rear Heated Oxygen Sensor Bank 1 usually takes care of the problem.
C0210 SCION - Right Rear Wheel Speed Sensor Signal Malfunction

C0210 SCION Possible Causes
Faulty Right Rear Speed Sensor Right Rear Speed Sensor harness is open or
shorted Right Rear Speed Sensor circuit poor electrical connection
Right Rear Speed Sensor rotor Sensor installation Brake actuator (skid control ECU)

C0215 SCION - Left Rear Wheel Speed Sensor Signal Malfunction
C0215 SCION Possible
Faulty Left Rear Speed Sensor
Left Rear Speed Sensor harness is open or shorted sensor
Left Rear Speed Sensor circuit poor electrical connection
Left Rear Speed Sensor rotor
Sensor installation Brake actuator (skid control ECU)

C1201 SCION - Engine Control System Malfunction
C1201 SCION Possible Causes
Sequential Multiport Fuel Injection (SFI) System Problems Check for other codes
If the C1201 is combined with an Oxygen (O2) Sensor code, repair the O2 sensor code first and clear the codes.

C1241TOYOTA - Low Battery Positive Voltage
C1241 TOYOTA Possible Causes
Low Battery Charge Faulty Battery Faulty Charging System Power source circuit

C1239 SCION - Foreign Object Attached On Tip Of Left Rear Sensor
C1239 SCION Possible Causes
Faulty Left Rear Speed Sensor Left Rear Speed Sensor rotor sor installation Brake actuator (skid control ECU)
 
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