2003 chrysler 300m o2 sensor and camshaft position sensor

Code 038 means the computer is getting a high voltage return in the heater circuit from the O2 sensor mounted after the catalytic converter. The O2 sensors have an internal heater to make them work as soon as you start the engine.
You would need to test the circuit to and from the sensor to find the real problem.

P0016 Crankshaft Position - Camshaft Position Correlation
P0135 O2 Sensor Heater Circuit
P0138 O2 Sensor Circuit High Voltage
P0340 Camshaft Position Sensor "A" Circuit
P0344 Camshaft Position Sensor "A" Circuit Intermittent
P0508 Idle Air Control System Circuit Low
P0522 Engine Oil Pressure Sensor/Switch Low Voltage
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JMA TRS-5000 Cloning Machine

Here is what I get from Autozone's repair guides,sometimes it can be something mechanical,your wires running to the 02 sensors could be bad,follow them.Also check the co2 connectors,could be oily or burnt.

Trouble Code: P0152

O2 (B2 S1) Circuit Shorted to Power
Possible Causes:


O2 signal tracking in the connector due to wet/oily condition. O2 signal circuit is open, or the ground circuit open. O2 heater supply circuit is open. PCM has failed .

will get back to you with info

Well the O2 sen is bad.

P0137--O2 Sensor Circuit Low Voltage-Bank 1 Sensor 2

P0139--O2 Sensor Circuit Slow Response-Bank 1 Sensor 2

P0152--O2 Sensor Circuit High Voltage-Bank 2 Sensor 1

P0300--Random Multiple Cylinder Misfire


I would suspect that the camshaft position sensor is bad. This is a quote from the tech manual:

The Powertrain Control Module (PCM) uses the camshaft position sensor to manage sequential fuel injection and as part of misfire diagnosis. The PCM constantly monitors the number of pulses on the signal circuit. The PCM compares the number of camshaft sensor reference pulses and the number of crankshaft position sensor reference pulses received. If the PCM receives an incorrect number of pulses, Diagnostic Trouble Codes (DTCs) should be stored in the PCM. Some PCM systems will then default to multi-port or "gang-fire" injector operation. The camshaft position sensor signal is required to sequence the injector operation to the proper cylinder timing. If the camshaft position sensor or circuit is faulty, most engines will start. However, the PCM misfire diagnostic will likely be affected.



The part costs $50.....simple to change. It is NOT the O2 sensors so don't go wasting money on those. They are being affected due to related symptoms....they fault because the problem is happening upstream.

The camshaft position sensor is mounted to the top of the timing case cover. The bottom of the sensor is positioned above the camshaft sprocket. The distance between the bottom of the sensor and the camshaft sprocket is critical to the operation of the system. Hope this helped and best wishes.

yep po132 shorted to voltage po152 shorted to voltage.this means lean conditions .you got in take leak .if you get a high voltage conditions you got rich mixture.bad plugs or stop up air filter.

i have told you that the converters need replace but you dont believe this even after a dealer told you they did then you give me a thanks for trying ,well your allready convinced so put on the part you want to here it is

I've found in the past that the aftermarket O2 sensors create problems. Both fault codes point to the upstream O2 sensors for high voltage. If the wiring to the PCM is good then I would suggest using factory O2 sensors. Aftermarket parts are ok in most instances, but with OBDII sensors I would stick with factory stuff.