P0D42 — Battery Charger 14 Volt Output Voltage Sensor Circuit

What Does P0D42 Mean?

P0D42 is a diagnostic trouble code indicating: Battery Charger 14 Volt Output Voltage Sensor Circuit. This code relates to the vehicle systems system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P0D42

⚠️ Check Engine Light (MIL) illuminated
⚠️ Erratic Battery Charger 14 Volt Output Voltage Sensor readings
⚠️ Related system operating intermittently
⚠️ System warning light illuminated

Common Causes

🔍 Wiring issue in Battery Charger 14 Volt Output Voltage Sensor circuit (damaged, chafed, or corroded)
🔍 Faulty Battery Charger 14 Volt Output Voltage Sensor connector or terminal
🔍 Failed Battery Charger 14 Volt Output Voltage Sensor
🔍 ECM/PCM connection issue

Frequently Asked Questions

What does P0D42 mean?

P0D42 indicates: Battery Charger 14 Volt Output Voltage Sensor Circuit. The vehicle's computer has detected that the Battery Charger 14 Volt Output Voltage Sensor is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P0D42?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P0D42 for extended periods may cause additional problems.

How much does it cost to fix P0D42?

Repair costs for P0D42 typically range from $80 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect and repair Battery Charger 14 Volt Output Voltage Sensor wiring and connectors
🔧 Replace faulty Battery Charger 14 Volt Output Voltage Sensor

1
Find your vehicle above
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P0D42: Battery Charger 14 Volt Output Voltage Sensor Circuit