P1653C = Low engine oil level lamp ctrl circuit.

I've bought a new oil level sensor, same problem - loop the two wires together to cancel each(closer to the PCM) other out, same thing. I cannot get rid of this code. Is there a short even closer to the PCM? Is this code even the sensor or is it some where else? What does the "lamp control circuit mean"? Could it be in the "brain box"? What's happening is it's cutting out the engine like I just turn the key. Thanks in advance. Andrew.

tune it out

DTC P1653 Low Engine Oil Level Lamp Control Circuit

Refer to Engine Controls Schematics I/P and Driver Information Display for a wiring diagram.
Circuit Description

Output Driver Modules (ODMs) are used by the PCM in order to turn ON many of the current-driven devices that are needed to control various engine and Transaxle functions. Each ODM is capable of controlling up to 7 separate outputs by applying ground to the device which the PCM is commanding ON.

Unlike the Quad Driver Modules (QDMs) used in prior model years, ODMs are capable of diagnosing each output circuit individually. DTC P1653 will set if an improper voltage level has been detected on the output circuit which controls the Low Engine Oil Level Lamp.
Conditions for Setting the DTC

* The ignition is ON.
* An improper voltage level has been detected on the output circuit which controls the low engine oil level lamp.
* The above conditions are present for at least 30 seconds.

Action Taken When the DTC Sets

The PCM stores conditions which were present when the DTC set as Failure Records only. This information will not be stored as Freeze Frame Records.
Conditions for Clearing the MIL/DTC

* The DTC becomes history when the conditions for setting the DTC are no longer present.
* The history DTC clears after 40 malfunction free warm-up cycles.
* The PCM receives a clear code command from the scan tool.

Diagnostic Aids

Inspect for the following conditions:

Many situations may lead to an intermittent condition. Perform each inspection or test as directed.

Important:

Remove any debris from the connector surfaces before servicing a component. Inspect the connector gaskets when diagnosing or replacing a component. Ensure that the gaskets are installed correctly. The gaskets prevent contaminate intrusion.

* Loose terminal connection
o Use a corresponding mating terminal to test for proper tension. Refer to Testing for Intermittent and Poor Connections , and to Connector Repairs in Wiring Systems for diagnosis and repair.
o Inspect the harness connectors for backed out terminals, improper mating, broken locks, improperly formed or damaged terminals, and faulty terminal to wire connection. Refer to Testing for Intermittent and Poor Connections , and to Connector Repairs in Wiring Systems for diagnosis and repair.
* Damaged harness--Inspect the wiring harness for damage. If the harness inspection does not reveal a problem, observe the display on the scan tool while moving connectors and wiring harnesses related to the sensor. A change in the scan tool display may indicate the location of the fault. Refer to Wiring Repairs in Wiring Systems for diagnosis and repair.
* Inspect the powertrain control module (PCM) and the engine grounds for clean and secure connections. Refer to Wiring Repairs in Wiring Systems for diagnosis and repair.

If the condition is determined to be intermittent, reviewing the Snapshot or Freeze Frame/Failure Records may be useful in determining when the DTC or condition was identified.
Test Description

The numbers below refer to the step numbers on the Diagnostic Table.

2.

Ignition feed voltage should be present on the control circuit with the PCM disconnected and the ignition turned ON.
3.

This step tests for a shorted component or for a short to B+ on the control circuit. Either condition will result in a measured current of more than 500 milliamps. This step also checks for a component that is causing an open circuit while during operation, resulting in a measured current of 0 milliamps.
4.

This step tests for a short to voltage on the control circuit.
14.

This vehicle is equipped with a PCM which utilizes an Electrically Erasable Programmable Read Only Memory (EEPROM). When you replace the PCM, program the new PCM.