Pinpoint Test P: Keep Alive Power (KAPWR)
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- Normal Operation and Fault Conditions
Refer to the DTC Fault Trigger Conditions.
DTC Fault Trigger Conditions
DTC Description Fault Trigger Condition PCM P2610:00 ECM/PCM Engine Off Timer Performance: No Sub Type Information Sets when the PCM detects the difference between the engine off time and the central processing unit (CPU) time exceeds a calibrated limit for a calibrated amount of time. This DTC may set with other DTCs. Check for all other Diagnostic Trouble Codes (DTCs) and diagnose those first. If DTC P2610 sets after a module programming, disregard this DTC. Clear the DTCs and repeat the PCM self-test. Possible Sources
- Battery terminal condition
- PCM circuitry concern
- PCM
- P1 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS)NOTE: The DTC P2610 may set after a PCM reprogramming. If this DTC is retrieved after a PCM reprogramming, disregard this DTC.
- Carry out a visual inspection.
- Record the DTCs.
- Record the freeze frame data.
- Clear the PCM DTCs. Carry out the PCM self-test.
Is DTC P2610 present?
Yes GO to P2 No Unable to duplicate the condition. CHECK for a loose connection, and damaged or corroded pins. WIGGLE the harness attempting to recreate the concern. REPAIR as necessary. REFER to QT: POWERTRAIN CONTROL MODULE (PCM) QUICK TEST , if a driveability concern exists. Clear the PCM DTCs. REPEAT the self-test. - P2 CHECK THE ENGINE OFF TIMERNOTE: Turning the ignition ON then OFF without an engine start for the purpose of checking the engine coolant temperature does not affect the test results.
- Start the engine.
- Allow the engine to stabilize at the correct operating temperature.
- Ignition OFF.
- Ignition ON.
- Clear the PCM DTCs.
- Ignition OFF.
- Allow the engine to cold soak long enough for the engine coolant temperature to drop at least 16.7 deg. C (30 deg. F).
- Ignition ON.
- Carry out the PCM self-test.
Is DTC P2610 present?
Yes GO to P3 No Unable to duplicate the condition. REFER to QT: POWERTRAIN CONTROL MODULE (PCM) QUICK TEST , to continue diagnosis. - P3 CHECK FOR ANY BODY CONTROL MODULE (BCM) DTCS
- Carry out the BCM self-test.
Are any DTCs present?
Yes REFER to: Body Control Module (BCM) No GO to P4 - P4 CHECK FOR CORRECT PCM OPERATION
- Disconnect All the PCM electrical connectors.
- Visually inspect for:
- pushed out pins
- corrosion
- Connect All the PCM connectors and make sure they seat correctly.
- Carry out the PCM self-test.
Is the concern still present?
Yes INSTALL a new PCM. REFER to Powertrain Control Module (PCM) and PROGRAMMING THE VID BLOCK FOR A REPLACEMENT PCM No The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.