P1915 Code - Internal Mode Switch Start/Wrong Range
Quick Answer
The park/neutral position switch and the 5 Hall Effect switches are internal to and part of the internal mode switch assembly. Common causes include Faulty Transmission Internal Mode Switch, Transmission Internal Mode Switch harness is open or shorted, Transmission Internal Mode Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1915 indicates Internal Mode Switch Start/Wrong Range.
- Common causes
- Common causes include Faulty Transmission Internal Mode Switch, Transmission Internal Mode Switch harness is open or shorted, Transmission Internal Mode Switch circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1915 Description
What are the Possible Causes of the DTC P1915?
- Faulty Transmission Internal Mode Switch
- Transmission Internal Mode Switch harness is open or shorted
- Transmission Internal Mode Switch circuit poor electrical connection
- Faulty Transmission Control Module (TCM)
How to Fix the DTC P1915?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1915 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Information for Specific Makes
- P1915 Buick — Internal Mode Switch Start/Wrong Range
- P1915 Cadillac — Internal Mode Switch Start/Wrong Range
- P1915 Chevrolet — Internal Mode Switch Start/Wrong Range
- P1915 Chrysler — Transmission Inhibited Remote Start
- P1915 Dodge — Transmission Inhibited Remote Start
- P1915 GMC — Internal Mode Switch Start/Wrong Range
- P1915 Jeep — Transmission Inhibited Remote Start
- P1915 RAM — Transmission Inhibited Remote Start
Frequently Asked Questions about P1915 Code
1. What are the common symptoms of OBDII code P1915 (Internal Mode Switch Start/Wrong Range)?
The common symptoms of code P1915 include difficulty shifting gears, erratic shifting behavior, and the inability to start the vehicle.
2. What are the possible causes of OBDII code P1915 (Internal Mode Switch Start/Wrong Range)?
Possible causes of code P1915 include a faulty internal mode switch, damaged wiring or connectors related to the internal mode switch, or a malfunction in the transmission control module.
3. How can I diagnose OBDII code P1915 (Internal Mode Switch Start/Wrong Range)?
Diagnosing code P1915 typically involves using a scan tool to retrieve the code and examining the internal mode switch and its related wiring for any visible damage or issues.
4. Can a DIY enthusiast repair OBDII code P1915 (Internal Mode Switch Start/Wrong Range)?
While some DIY enthusiasts may attempt to repair code P1915 by replacing the internal mode switch or repairing damaged wiring, it is recommended to seek professional help due to the complexity of transmission-related issues.
5. Is it safe to continue driving with OBDII code P1915 (Internal Mode Switch Start/Wrong Range) present?
It is not recommended to continue driving with code P1915 present, as it can lead to further damage to the transmission system and potentially cause safety hazards on the road.
6. How much does it typically cost to repair OBDII code P1915 (Internal Mode Switch Start/Wrong Range)?
The cost of repairing code P1915 can vary depending on the specific cause of the issue, but it may range from $200 to $500 for parts and labor.
7. Can a faulty internal mode switch cause other OBDII codes to appear?
Yes, a faulty internal mode switch can cause other related OBDII codes to appear, such as codes related to transmission range sensor issues or communication faults with the transmission control module.
8. How long does it take to repair OBDII code P1915 (Internal Mode Switch Start/Wrong Range)?
The repair time for code P1915 can vary depending on the extent of the issue and the availability of parts, but it typically takes a few hours to a full day for a professional technician to diagnose and repair the problem.
9. Are there any preventive maintenance tips to avoid OBDII code P1915 (Internal Mode Switch Start/Wrong Range)?
To prevent code P1915, it is essential to maintain your vehicle's transmission system regularly, address any warning signs promptly, and avoid rough driving habits that can put stress on the internal mode switch.
10. Can resetting the OBDII system clear code P1915 (Internal Mode Switch Start/Wrong Range)?
Resetting the OBDII system may temporarily clear code P1915, but if the underlying issue with the internal mode switch or related components is not addressed, the code is likely to reappear.
Discuss the causes and fixes for P1915 OBDII Code
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I ran into a problem with the code P1915 and with codes at the same time B2645,P0700,U0140 and not knowing with code to tackle first I just started checking continuity on the fuses and then to ECM bcm and tcm. All of these check out good. I started checking continuity to the transmission connector and found two wires that didn't have continuity to the tcm and repair the wires and got rid of my problem
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