Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Pinpoint Test G : P1595: Notes
Refer to Starting System for schematic and connector information.
Normal Operation and Fault Conditions
The selector lever must be in Park for the remote start to engage. If the PCM detects that the transmission as transitioned out of park during a remote start event PCM DTC P1595 sets. P1595 also sets if the PCM receives a CAN message that the BCM is in drive mode and the PCM does not receive an in gear message from the automatic transmission.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| P1595 | Forced engine shutdown - Remote Start System Fault, Transmission not in Park | This DTC sets when the PCM is in non-motive mode and detects that the selector lever has moved from Park. |
Possible Sources
- Brake Shift Interlock Actuator (BSIA)
- PNP
- Selector lever worn or loose
- Selector lever cable brackets loose
- BCM
- PCM
- Wiring, terminals or connectors
Visual Inspection and Diagnostic Pre-checks
- Inspect Selector lever for looseness.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.