P1700 GMC Code - Transmission Control Module Requested Malfunction Indicator Lamp Conditions
Quick Answer
This Diagnostic Trouble Code (DTC) indicates that a transmission related OBDII failure has occurred. Common causes include Check for codes in Transmission Control Module (TCM). 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
- P1700 GMC indicates Transmission Control Module Requested Malfunction Indicator Lamp Conditions.
- Common causes
- Common causes include Check for codes in Transmission Control Module (TCM).
- 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 P1700 GMC Description
What are the Possible Causes of the DTC P1700 GMC?
- Check for codes in Transmission Control Module (TCM)
How to Fix the DTC P1700 GMC?
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 P1700 GMC 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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Frequently Asked Questions about P1700 GMC Code
1. What does the OBDII code P1700 mean for a GMC vehicle?
P1700 indicates that the Transmission Control Module (TCM) has requested the illumination of the Malfunction Indicator Lamp (MIL) due to a detected issue in the transmission system.
2. What are the common symptoms of a P1700 code in a GMC?
Symptoms may include the MIL (Check Engine Light) being illuminated, transmission shifting issues, poor acceleration, or the vehicle entering limp mode.
3. What causes the P1700 code to be triggered?
Common causes include a faulty TCM, damaged wiring or connections, low transmission fluid, or internal transmission issues such as a solenoid failure.
4. Can driving with a P1700 code damage my GMC vehicle?
Driving with this code can potentially cause further damage to the transmission if the underlying issue is not addressed promptly.
5. How do I diagnose the P1700 code on my GMC?
Diagnosis typically involves scanning for additional codes, inspecting the transmission wiring and connectors, checking the TCM for faults, and verifying the condition of the transmission fluid.
6. What repairs are commonly needed to fix the P1700 code?
Repairs may include replacing the TCM, repairing or replacing damaged wiring, refilling or replacing transmission fluid, or repairing internal transmission components.
7. Is a P1700 code specific to GMC vehicles?
No, the code P1700 can appear in other vehicles, but the exact meaning and diagnostics may vary depending on the make and model.
8. How much does it cost to fix a P1700 code on a GMC?
Costs vary depending on the cause, ranging from $100 for minor wiring repairs to over $1,000 for TCM replacement or extensive transmission repairs.
9. Will resetting the code fix the P1700 issue on my GMC?
Resetting the code may turn off the MIL temporarily, but the underlying issue must be resolved to prevent the code from returning.
10. Can a low transmission fluid level cause the P1700 code on a GMC?
Yes, low or degraded transmission fluid can contribute to improper operation of the transmission system and trigger the P1700 code.
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