← View Generic P0738 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2014 Nissan SENTRA
P0738: P0738: Transmission Control System Malfunction
on 2014 Nissan SENTRA
Fix Cost
$200 - $800
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2014 Nissan
SENTRA
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Important for 2014 Nissan SENTRA Owners
Before starting repairs, verify which engine your 2014 Nissan SENTRA has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does P0738 Mean on 2014 Nissan SENTRA?
The transmission control system is malfunctioning, causing issues with gear shifting and transmission operation.
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Symptoms
- • Difficulty shifting gears
- • slipping or hesitation between gears
- • transmission warning light on
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Common Causes
- • Faulty transmission control module
- • faulty transmission solenoid
- • faulty transmission sensor
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How to Fix P0738 on 2014 Nissan SENTRA
1. Check and clear any trouble codes. 2. Inspect and clean the transmission solenoids. 3. Replace the faulty transmission solenoid. 4. Replace the faulty transmission control module.
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Need Maintenance Info for Your SENTRA?
Get oil capacity, filter specs, and torque settings for your specific 2014 Nissan SENTRA.
View 2014 Nissan SENTRA SpecsParts for 2014 Nissan SENTRA
Essential Tool
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Related Diagnostic Codes
Other codes that may appear with P0738
P0736
Sequential Code
P0736: Transmission Control System Malfunction
Medium
P0737
Sequential Code
P0737: Transmission Control System Malfunction
Medium
P0739
Sequential Code
P0739: Transmission Control System Malfunction
Medium
P0740
Sequential Code
Torque Converter Clutch Circuit Malfunction
Medium
💡 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