P0073 RAM Code - Ambient Air Temperature Sensor Circuit High
Quick Answer
This Diagnostic Trouble Code (DTC) is stored in the Engine Control Module (ECM) when a malfunction is detected with the Ambient Air Temperature Sensor. Common causes include Faulty Ambient Air Temperature Sensor, Ambient Air Temperature Sensor harness is open or shorted, Ambient Air Temperature Sensor 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
- P0073 RAM indicates Ambient Air Temperature Sensor Circuit High.
- Common causes
- Common causes include Faulty Ambient Air Temperature Sensor, Ambient Air Temperature Sensor harness is open or shorted, Ambient Air Temperature Sensor 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 P0073 RAM Description
What are the Possible Causes of the DTC P0073 RAM?
- Faulty Ambient Air Temperature Sensor
- Ambient Air Temperature Sensor harness is open or shorted
- Ambient Air Temperature Sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0073 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 P0073 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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Frequently Asked Questions about P0073 RAM Code
1. What are the common symptoms of OBDII code P0073 RAM (Ambient Air Temperature Sensor Circuit High)?
The common symptoms of P0073 include incorrect temperature readings on the vehicle's display, issues with the climate control system, and potential illumination of the Check Engine Light.
2. What can cause OBDII code P0073 RAM to trigger?
The code P0073 RAM is typically triggered by a faulty ambient air temperature sensor, damaged wiring or connectors related to the sensor, or issues with the sensor circuit.
3. How can I diagnose the cause of OBDII code P0073 RAM?
To diagnose the cause of P0073, you can use a multimeter to test the ambient air temperature sensor, check the wiring and connectors for any damage, and inspect the sensor circuit for any faults.
4. Is it safe to drive with OBDII code P0073 RAM active?
It is generally safe to drive with code P0073, but it is recommended to address the issue promptly to avoid any potential problems with the vehicle's climate control system or other related systems.
5. How can I repair OBDII code P0073 RAM?
To repair P0073, you may need to replace the ambient air temperature sensor, repair any damaged wiring or connectors, or reset the fault code using an OBDII scanner after addressing the underlying issue.
6. Can a faulty ambient air temperature sensor cause poor fuel efficiency?
Yes, a faulty ambient air temperature sensor can cause poor fuel efficiency as it may lead to incorrect fuel mixture calculations by the engine control unit based on inaccurate temperature readings.
7. Will resetting the fault code for P0073 RAM solve the issue?
Resetting the fault code for P0073 may temporarily turn off the Check Engine Light, but if the underlying issue such as a faulty sensor or wiring is not addressed, the code is likely to reoccur.
8. How much does it typically cost to repair OBDII code P0073 RAM?
The cost of repairing P0073 can vary depending on the cause of the issue, but it may involve expenses for a new ambient air temperature sensor, replacement wiring or connectors, and labor fees if done by a professional mechanic.
9. Can extreme weather conditions affect the ambient air temperature sensor and trigger OBDII code P0073 RAM?
Extreme weather conditions such as extreme heat or cold can potentially affect the ambient air temperature sensor and lead to erroneous readings, which may trigger code P0073.
10. Can I replace the ambient air temperature sensor myself to fix OBDII code P0073 RAM?
Replacing the ambient air temperature sensor can be a DIY task for those with mechanical knowledge and experience. However, if you are unsure, it is recommended to seek assistance from a qualified mechanic to ensure proper installation and resolution of the issue.
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