DTC P00E0-P00E2

Engine Controls and Fuel - 3.0L LM2 Diesel | Diagnostic Information and Procedures | Document ID: 5507624 Diagnostic Instructions Perform the Diagnostic System Check prior to using this diagnostic procedure: Diagnostic System Check - Vehicle Review the description of Strategy Based Diagnosis: Strategy Based Diagnosis An overview of each diagnostic category can be found here: Diagnostic Procedure Instructions DTC Descriptor DTC P00E0 Charge Air Cooler Coolant Inlet Temperature Sensor Circuit Low DTC P00E1 Charge Air Cooler Coolant Inlet Temperature Sensor Circuit High DTC P00E2 Charge Air Cooler Coolant Inlet Temperature Sensor Erratic Diagnostic Fault Information

Circuit	Short to Ground	Open/High Resistance	Short to Voltage	Signal Performanc
Signal	P00E0	P00E1	P00E1*	P00DF
Low Reference	—	P00E1*	P00E2	P00DF
* Component damage may occur if the circuit is shorted to B+.

Typical Scan Tool Data Charge Air Cooler Coolant Inlet Temperature Sensor

Circuit	Short to Ground	Open	Short to Voltage
Operating Conditions: Ignition On or Engine Running Parameter Normal Range: 88 to 105°C (190 to 221°F)
Signal	150°C (302°F)	−40°C (−40°F)	−40°C (−40°F)
Low Reference	—	−40°C (−40°F)	−40°C (−40°F)

Circuit/System Description

Circuit	Description
Signal	The control module input circuit has an internal resistance connected to 5 V.

Circuit	Description
Low Reference	Grounded through the control module.

Component	Description
B34K Charge Air Cooler Coolant Temperature Sensor - Inlet	The temperature sensor is a negative temperature coefficient thermistor, a resistor which changes based on temperature.
K20 Engine Control Module	The control module contains a microprocessor used to process input data to control outputs. The control module controls a series of actuators to ensure optimal engine performance. The control module does this by reading values from a variety of sensors, interprets the data and adjusts the engine actuators accordingly.

Conditions for Running the DTC P00E0, P00E1 Engine = Not cranking Ignition and Start Signal = Greater than 11 V Frequency the DTC runs = Continuously — After the running conditions are met P00E2 DTC P00E0, P00E1 = Not set Engine = Not cranking Ignition and Start Signal = Greater than 11 V Frequency the DTC runs = Continuously — After the running conditions are met Conditions for Setting the DTC P00E0 Charge Air Cooler Coolant Inlet Temperature Sensor = Warmer than 149°C (300°F) — For greater than 5 s P00E1 Charge Air Cooler Coolant Inlet Temperature Sensor = Colder than −39°C (−38°F) — For greater than 5 s P00E2 Charge Air Cooler Coolant Inlet Temperature Sensor = Signal noisy or erratic — For greater than 5 s Actions Taken When the DTC Sets DTCs listed in the DTC Descriptor category = Type B DTC Conditions for Clearing the DTC DTCs listed in the DTC Descriptor category = Type B DTC Reference Information Schematic Reference Engine Heating/Cooling Schematics Connector End View Reference Master Electrical Component List Electrical Information Reference Circuit Testing Connector Repairs Testing for Intermittent Conditions and Poor Connections Wiring Repairs DTC Type Reference Powertrain Diagnostic Trouble Code (DTC) Type Definitions Scan Tool Reference Control Module References Circuit/System Verification

Note

If you were sent here from DTC P026A, P00DF » Refer to: Circuit/System Testing.

1. Ignition » On / Vehicle » In Service Mode
2. Verify the scan tool parameter: Charge Air Cooler Coolant Inlet Temperature Sensor = −39 to 149°C (−38 to 300°F) ⇒ If not between −39 and 149°C (−38 and 300°F) Refer to: Circuit/System Testing ⇓ If between −39 and 149°C (−38 and 300°F)
3. Verify the scan tool parameter: Charge Air Cooler Coolant Inlet Temperature Sensor = The value should not spike or drop out. Perform the action while monitoring the parameter: Wiggle the harness and connector: Charge Air Cooler Coolant Inlet Temperature Sensor Wiggle the harness and connector: K20 Engine Control Module ⇒ If the value spikes or drops out Repair as necessary » Wiring / Terminal(s) / Electrical Connector(s) ⇓ If the value does not spike or drop out
4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data. Verify the DTC does not set. ⇒ If the DTC sets Refer to: Circuit/System Testing ⇓ If the DTC does not set
5. All OK. Circuit/System Testing

Note

It may take up to 2 min for all vehicle systems to power down before an accurate ground or low reference circuit continuity test can be performed.

1. Ignition/Vehicle & All vehicle systems » Off
2. Disconnect the electrical connector: B34K Charge Air Cooler Coolant Temperature Sensor - Inlet
3. Test for less than 5 Ω between the test points: Low Reference circuit terminal 2 & Ground ⇒ If 5 Ω or greater 3.1. Disconnect the appropriate electrical connector: K20 Engine Control Module 3.2. Test for less than 2 Ω between the test points: Low Reference circuit terminal 2 @ Component harness & The other end of the circuit @ Control module harness ⇒ If 2 Ω or greater » Repair the open/high resistance in the circuit. ⇒ If less than 2 Ω » Replace the component: K20 Engine Control Module ⇓ If less than 5 Ω
4. Ignition » On / Vehicle » In Service Mode
5. Verify the scan tool parameter: Charge Air Cooler Coolant Inlet Temperature Sensor = Colder than −39°C (−38°F) ⇒ If −39°C (−38°F) or warmer 5.1. Ignition/Vehicle » Off 5.2. Disconnect the appropriate electrical connector: K20 Engine Control Module 5.3. Test for infinite resistance between the test points: Signal circuit terminal 1 @ Component harness & Ground ⇒ If less than infinite resistance » Repair the short to ground on the circuit. ⇒ If infinite resistance » Replace the component: K20 Engine Control Module ⇓ If colder than −39°C (−38°F)
6. Connect a 3 A fused jumper wire between the test points: Signal circuit terminal 1 & Low Reference circuit terminal 2
7. Verify the scan tool parameter: Charge Air Cooler Coolant Inlet Temperature Sensor = Warmer than 149°C (300°F) ⇒ If 149°C (300°F) or colder 7.1. Ignition/Vehicle » Off & Remove » Jumper wire(s) 7.2. Disconnect the appropriate electrical connector: K20 Engine Control Module 7.3. Ignition » On / Vehicle » In Service Mode 7.4. Test for less than 1 V between the test points: Signal circuit terminal 1 @ Component harness & Ground ⇒ If 1 V or greater » Repair the short to voltage on the circuit. ⇓ If less than 1 V 7.5. Ignition/Vehicle » Off 7.6. Test for less than 2 Ω between the test points: Signal circuit terminal 1 @ Component harness & The other end of the circuit @ Control module harness ⇒ If 2 Ω or greater » Repair the open/high resistance in the circuit. ⇒ If less than 2 Ω » Replace the component: K20 Engine Control Module ⇓ If warmer than 149°C (300°F)
8. Test or replace the component: B34K Charge Air Cooler Coolant Temperature Sensor - Inlet Component Testing
9. Ignition/Vehicle » Off
10. Disconnect the electrical connector: B34K Charge Air Cooler Coolant Temperature Sensor - Inlet
11. Test for 42 to 78,834 Ω between the test points: Signal terminal 1 & Low Reference terminal 2 ⇒ If not between 42 and 78,834 Ω Replace the component: B34K Charge Air Cooler Coolant Temperature Sensor - Inlet ⇓ If between 42 and 78,834 Ω
12. Verify the value is within the range listed in the table: Temperature Versus Resistance - Charge Air Cooler Temperature Sensor ⇒ If not in the specified range Replace the component: B34K Charge Air Cooler Coolant Temperature Sensor - Inlet ⇓ If in the specified range
13. Test for infinite resistance between the test points: Each terminal of the component & The component’s housing ⇒ If less than infinite resistance Replace the component: B34K Charge Air Cooler Coolant Temperature Sensor - Inlet ⇓ If infinite resistance
14. All OK. Repair Instructions Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification Engine Coolant Temperature Sensor Replacement - Charge Air Cooler Coolant Hose — B34K  Charge Air Cooler Coolant Temperature Sensor - Inlet For control module replacement, programming, and setup refer to: Control Module References Additional Procedures

Note

The DTC causing the Driver Information Center message/speed limitation to set must run and pass before the message/speed limitation will clear. This may require driving the vehicle.

1. Ignition » On / Vehicle » In Service Mode
2. Verify that all scan tool Event Data parameters under the following data list displays No: Exhaust Gas Recirculation System Malfunction Warning Event Data ⇒ If not the specified state Operate the vehicle within the Conditions for Running the DTC for the DTC identified by the Event Data parameter displaying Yes. ⇓ If the specified state
3. All OK.