P0853 - Transmission Range Sensor Circuit High Input: A Guide for Honda and Toyota Owners

Quick Answer

P0853 means: P0853 indicates a high input signal from the transmission range sensor circuit to the ECM.

Fix: Check and replace faulty components Cost: $150 - $400 Time: 90-180 minutes

Can I drive with P0853? Immediate diagnosis is recommended to prevent transmission damage.

Common Questions

What does P0853 mean and how does it affect my car?

The P0853 code indicates that your vehicle's transmission range sensor is sending a high input signal to the ECM, which can lead to shifting issues. This can affect your car's performance and drivability, leading to a rough driving experience or even transmission damage if not addressed.

What are the most common causes of P0853 and how much does it cost to fix?

Common causes include a faulty transmission range sensor, damaged wiring, or low transmission fluid levels. Repair costs can range from $100 for a wiring fix to $1,200 for ECM replacement, depending on the issue.

Can I drive my car with P0853 or should I stop immediately?

While you may be able to drive your vehicle short distances, it's not advisable to ignore the P0853 code. Continuing to drive can cause further damage to the transmission, leading to more costly repairs.

How can I diagnose P0853 myself using GeekOBD APP?

Start by using the GeekOBD APP to scan your vehicle for trouble codes. Pay attention to freeze frame data to understand the conditions when the code triggered, then inspect the transmission range sensor and wiring for any visible issues.

What vehicles are most commonly affected by P0853?

Common vehicles affected by P0853 include the 2015-2017 Honda Civic, 2014-2018 Toyota Corolla, and various models from Ford and GM within the same years. Check for any recalls or Technical Service Bulletins (TSBs) related to transmission issues for your specific model.

How can I prevent P0853 from happening again?

Regular maintenance, including checking transmission fluid levels, inspecting wiring for wear and tear, and addressing any shifting issues promptly, will help prevent the recurrence of the P0853 code.

What is P0853?

The Diagnostic Trouble Code (DTC) P0853 signifies that the transmission range sensor circuit is sending a high input signal to the Engine Control Module (ECM). This sensor monitors the position of the transmission gear and informs the ECM about the gear selection. When the ECM detects a voltage that is higher than expected from this sensor, it triggers the P0853 code. Commonly seen in vehicles like the 2015-2017 Honda Civic and 2014-2018 Toyota Corolla, encountering this code can lead to several operational issues. Drivers may experience problems with shifting gears, which can manifest as slipping, rough transitions, or even the inability to shift from park to drive. Ignoring this code may lead to further complications such as complete transmission failure, which can be costly to repair. Addressing the P0853 code promptly is crucial for maintaining the vehicle's drivability and safety. Additionally, this code may illuminate the check engine light, prompting owners to seek diagnostic assistance. It's essential to understand that while the P0853 code indicates a problem with the transmission range sensor, the underlying issue could be a wiring fault, a defective sensor, or even an internal transmission problem, necessitating thorough diagnosis.

System: P - Powertrain (Engine, Transmission, Emissions)

Symptoms

Common symptoms when P0853 is present:

  • The check engine light remains illuminated continuously, indicating a fault that requires attention.
  • Drivers may notice that the engine hesitates or struggles during acceleration, affecting overall performance.
  • Fuel economy could decrease significantly, with reports of a 10-15% drop due to improper gear shifts.
  • Shifting from park to drive may become difficult, with the transmission failing to engage properly.
  • Unusual noises, such as grinding or clunking sounds, may occur when changing gears, signaling potential mechanical issues.

Possible Causes

Most common causes of P0853 (ordered by frequency):

  1. The most common cause is a faulty transmission range sensor, which is responsible for relaying gear position to the ECM. This accounts for about 60% of cases.
  2. Another frequent issue is damaged wiring or connectors in the transmission range sensor circuit, which can lead to improper voltage readings.
  3. A third cause could be low transmission fluid levels, which can negatively impact sensor performance; regular maintenance can help prevent this.
  4. Less commonly, a malfunctioning ECM could misinterpret signals, leading to erroneous P0853 triggers; this requires specialized diagnostic tools to confirm.
  5. In rare cases, internal transmission problems could cause the sensor to send incorrect signals, necessitating a more in-depth mechanical inspection.

P0853 Repair Costs

Cost Breakdown by Repair Type

Transmission Range Sensor Replacement

Replacing the faulty transmission range sensor with a new OEM part.

  • Total: $150 - $400
  • Success rate: 90%
Wiring Repair

Repairing or replacing damaged wiring or connectors in the transmission range sensor circuit.

  • Total: $100 - $300
  • Success rate: 85%
ECM Reprogramming or Replacement

Reprogramming the ECM to correct misinterpretation of sensor signals or replacing a faulty ECM.

  • Total: $300 - $1200
  • Success rate: 70%
Money-Saving Tips for P0853
  • Start with the most common and least expensive repairs first
  • Use GeekOBD APP to confirm diagnosis before replacing expensive parts
  • Consider preventive maintenance to avoid future occurrences
  • Compare prices for OEM vs aftermarket parts based on your needs
  • Address the issue promptly to prevent more expensive secondary damage

Diagnostic Steps

Professional P0853 Diagnosis Process

Follow these systematic steps to accurately diagnose P0853. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes)

Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 2: Step 2: OBD2 scan with GeekOBD APP - Use the app to retrieve all codes and freeze frame data to understand the fault context (10-15 minutes)

Step 2: OBD2 scan with GeekOBD APP - Use the app to retrieve all codes and freeze frame data to understand the fault context (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 3: Step 3: Component testing - Use a multimeter or specific diagnostic tools to test the transmission range sensor and wiring (20-30 minutes)

Step 3: Component testing - Use a multimeter or specific diagnostic tools to test the transmission range sensor and wiring (20-30 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 4: Step 4: System function test - Verify proper operation after repairs and clear codes using the GeekOBD APP (10-15 minutes)

Step 4: System function test - Verify proper operation after repairs and clear codes using the GeekOBD APP (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 5: Step 5: Road test verification - Drive the vehicle under various conditions to confirm the success of the repair (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to confirm the success of the repair (15-20 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.

Important Notes

  • Always verify the repair with GeekOBD APP after completing diagnostic steps
  • Clear codes and test drive to ensure the problem is resolved
  • Address underlying causes to prevent code recurrence

Real Repair Case Studies

Case Study 1: Transmission Range Sensor Replacement in a 2016 Honda Civic

Vehicle: 2016 Honda Civic, 60,000 miles

Problem: Customer reported difficulty shifting from park to drive and check engine light on.

Diagnosis: OBD2 scan revealed P0853 along with other transmission-related codes. Visual inspection showed a damaged sensor.

Solution: Replaced the transmission range sensor and cleared the codes.

Cost: $250 (parts: $150, labor: $100)

Result: Customer reported improved shifting and no reoccurrence of the check engine light.

Case Study 2: Wiring Repair for a 2015 Toyota Corolla

Vehicle: 2015 Toyota Corolla, 45,000 miles

Problem: Check engine light illuminated with symptoms of rough shifting.

Diagnosis: P0853 code confirmed; visual inspection revealed frayed wiring near the transmission range sensor.

Solution: Repaired the wiring and secured the connections.

Cost: $150 (materials: $50, labor: $100)

Result: Issue resolved, and the vehicle operated smoothly post-repair.

Diagnose P0853

Use GeekOBD APP for professional diagnosis!

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  • Step-by-step repair guidance
  • Professional-grade analysis
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Code Information

Code: P0853
System: Powertrain (Engine, Transmission, Emissions)
Severity: HIGH
Category: Engine Codes