AutoCodes – Generic – C1758

C1758 Code - Rear Left Transmitter Poor Receiving Conditions

Quick Answer

The Tire Pressure Monitoring System (TPMS) Control Unit monitors the radio signal output from the transmitter. Common causes include External electromagnetic interference, Faulty Rear Left Transmitter. 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: C1758 indicates Rear Left Transmitter Poor Receiving Conditions.
Common causes: Common causes include External electromagnetic interference, Faulty Rear Left Transmitter.
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.

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Code Popularity 3,422

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 22, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1758 Description

The Tire Pressure Monitoring System (TPMS) Control Unit monitors the radio signal output from the transmitter. The TPMS Control Unit sets the OBDII code when the radio signal output from the transmitter is interrupted by external electromagnetic
interference for 10 minutes or more.

OBDII Code C1758 - Rear Left Transmitter Poor Receiving Conditions - AutoCodes.com — C1758 Code - Rear Left Transmitter Poor Receiving Conditions

What does this mean?

What are the Possible Causes of the DTC C1758?

External electromagnetic interference
Faulty Rear Left Transmitter

How to Fix the DTC C1758?

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 C1758 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.

Need more information about the C1758 code?

Need more information on how to fix the C1758 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1758 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1758 Infiniti — Rear Left Transmitter Poor Receiving Conditions
C1758 Nissan — Rear Left Transmitter Poor Receiving Conditions

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1758 Code

1. What are the common symptoms of OBDII code C1758 (Rear Left Transmitter Poor Receiving Conditions)?

- Common symptoms include issues with the tire pressure monitoring system (TPMS), incorrect tire pressure readings, and a TPMS warning light on the dashboard.

2. What are the possible causes of OBDII code C1758?

- The code C1758 can be triggered by a faulty tire pressure sensor, weak transmitter signal, damaged wiring, low tire pressure, or interference from other electronic devices.

3. How can I diagnose the cause of OBDII code C1758?

- To diagnose the issue, technicians typically use a TPMS scan tool to check for specific sensor readings, inspect the wiring and connections, and perform a signal strength test on the transmitter.

4. What are some repair tips for resolving OBDII code C1758?

- Common repair solutions include replacing the faulty tire pressure sensor, repairing damaged wiring, ensuring proper tire pressure, and reprogramming the TPMS system to recalibrate the sensors.

5. Can driving with OBDII code C1758 cause any potential safety concerns?

- While driving with this code may not pose an immediate safety risk, inaccurate tire pressure readings can affect your vehicle's handling, fuel efficiency, and overall tire performance.

6. How long does it typically take to repair OBDII code C1758?

- The repair time can vary depending on the exact cause of the issue, but in most cases, a skilled technician can diagnose and fix the problem within an hour or two.

7. Is it possible to reset OBDII code C1758 without professional help?

- While some OBDII scan tools allow you to clear diagnostic trouble codes, it's essential to address the underlying issue causing code C1758 to prevent it from recurring.

8. Can extreme weather conditions affect the occurrence of OBDII code C1758?

- Yes, extreme temperatures or harsh weather conditions can impact the performance of tire pressure sensors and the TPMS system, potentially leading to the triggering of code C1758.

9. How much does it cost to repair OBDII code C1758 at a repair shop?

- The cost of repairing OBDII code C1758 can vary depending on the cause of the issue, the labor rates of the repair shop, and whether any parts need replacement. It's advisable to get a quote from a trusted technician.

10. Is it safe to continue driving with OBDII code C1758 unresolved?

- While it may be safe to drive short distances, it is recommended to address the issue promptly to ensure the proper functioning of the TPMS system and accurate tire pressure monitoring.