← Back to Search Severity: Medium

P0955

P0955: Transmission Advanced System - Pressure Control Solenoid 'A' Performance

Fix Cost
$200 - $500
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Powertrain
System

📖 What Does P0955 Mean?

The transmission control module (TCM) has detected a problem with the pressure control solenoid 'A' performance, which may cause issues with transmission shifting and performance.
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Symptoms

  • Transmission slipping
  • hesitation
  • or refusal to engage gears
  • unusual noises
  • or vibrations
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Common Causes

  • Faulty pressure control solenoid 'A'
  • clogged transmission filter
  • low transmission fluid level
  • or electrical issues
Fix Guide
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Possible Solutions

1. Check transmission fluid level and condition; top off or change as needed. 2. Inspect and clean the transmission filter. 3. Test the pressure control solenoid 'A' for proper function. 4. Replace the pressure control solenoid 'A' if faulty.

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Common Questions About P0955

Q

Can I drive with code P0955?

A

You can drive for a short time, but should address code P0955 soon to avoid worsening the problem or failing an emissions test.

Q

How much does it cost to fix P0955?

A

The estimated repair cost for code P0955 is between $200 and $500. This includes parts and labor for most makes and models.

Q

Is this code easy to fix myself?

A

This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.

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Need a Pro?

Complex codes like P0955 can be tricky. Don't risk it if you're unsure.

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Related Diagnostic Codes

Other codes that may appear with P0955

💡 Why These Codes Are Related:

  • Similar Issues: Same root cause or component failure
  • Related Problems: Often occur together due to system interactions
  • Sequential Codes: Progressive failure stages or multiple sensors
  • Same System: Components within the same automotive system