AutoCodes – RAM – B1D18 RAM

B1D18 RAM Code - Passenger Mirror Horizontal Position Sensor Input Circuit Low

Quick Answer

When the Passenger Door Module (PDM) senses less than 0.16 of a volt on the Passenger Mirror Horizontal Position Signal Circuit for over 100Ms., this Diagnostic Trouble Code (DTC) will set. Common causes include Faulty Passenger Mirror, Passenger Mirror harness is open or shorted, Passenger Mirror 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
B1D18 RAM indicates Passenger Mirror Horizontal Position Sensor Input Circuit Low.
Common causes
Common causes include Faulty Passenger Mirror, Passenger Mirror harness is open or shorted, Passenger Mirror 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 518
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 27, 2019
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Code B1D18 RAM Description

When the Passenger Door Module (PDM) senses less than 0.16 of a volt on the Passenger Mirror Horizontal Position Signal Circuit for over 100Ms., this Diagnostic Trouble Code (DTC) will set.
OBDII Code B1D18 RAM - Passenger Mirror Horizontal Position Sensor Input Circuit Low - AutoCodes.com
B1D18 RAM Code - Passenger Mirror Horizontal Position Sensor Input Circuit Low

What are the Possible Causes of the DTC B1D18 RAM?

  • Faulty Passenger Mirror
  • Passenger Mirror harness is open or shorted
  • Passenger Mirror circuit poor electrical connection
  • Faulty Passenger Door Module (PDM)

How to Fix the DTC B1D18 RAM?

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 B1D18 RAM 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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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 B1D18 RAM Code

1. What are the common symptoms of OBDII code B1D18 RAM?

The common symptoms of OBDII code B1D18 RAM (Passenger Mirror Horizontal Position Sensor Input Circuit Low) may include malfunctioning power mirrors, inability to adjust the passenger mirror horizontally, and dashboard warning lights.

2. What could cause the OBDII code B1D18 RAM to trigger?

The OBDII code B1D18 RAM is triggered when the passenger mirror horizontal position sensor input circuit detects a low signal or voltage, indicating a potential issue with the sensor itself, wiring, or connectors.

3. How can I diagnose the cause of OBDII code B1D18 RAM?

Diagnosing the cause of OBDII code B1D18 RAM typically involves inspecting the wiring and connectors related to the passenger mirror horizontal position sensor, checking the sensor for proper functioning, and using an OBDII scanner to reset the code for further monitoring.

4. Is it safe to drive with OBDII code B1D18 RAM active?

While it may be safe to drive with the OBDII code B1D18 RAM active, it is recommended to address the underlying issue as soon as possible to ensure proper functionality of the passenger mirror and avoid any potential safety hazards.

5. Can I repair OBDII code B1D18 RAM myself?

Depending on your level of automotive repair expertise, you may be able to address OBDII code B1D18 RAM yourself by checking and repairing the wiring, connectors, or sensor related to the passenger mirror horizontal position sensor. However, seeking professional assistance is advised if you are unsure.

6. Are there any quick fixes for OBDII code B1D18 RAM?

Quick fixes for OBDII code B1D18 RAM may include checking and tightening loose connections, cleaning corroded connectors, or resetting the code using an OBDII scanner. However, these fixes may only provide temporary relief and a proper repair is recommended.

7. How much does it cost to repair OBDII code B1D18 RAM?

The cost to repair OBDII code B1D18 RAM can vary depending on the exact cause of the issue. Simple repairs like fixing loose connections or replacing a sensor may cost less compared to complex wiring repairs. It is advisable to obtain estimates from automotive professionals.

8. Can extreme weather conditions affect OBDII code B1D18 RAM?

Extreme weather conditions like extreme heat or cold can potentially affect the performance of the passenger mirror horizontal position sensor, leading to triggering of OBDII code B1D18 RAM. It is important to keep the sensor and its components protected from such conditions.

9. Will OBDII code B1D18 RAM impact my vehicle's overall performance?

OBDII code B1D18 RAM specifically relates to the passenger mirror horizontal position sensor input circuit and may not directly impact your vehicle's overall performance. However, addressing the issue promptly is recommended to ensure all vehicle systems are functioning properly.

10. How often should I check for OBDII code B1D18 RAM after repairs?

After repairing OBDII code B1D18 RAM, it is advisable to periodically check for the code using an OBDII scanner to ensure that the issue has been resolved permanently. Regular maintenance checks can help prevent the code from reoccurring.

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