P1619: Glow Plug Heater Relay Circuit Open Short To Ground
VOLKSWAGEN
BMW
BUICK
CADILLAC
CHEVY
GM
GMC
OLDSMOBILE
Severity
Medium
System
Manufacturer-Specific Powertrain
What Does P1619 Mean?
P1619 is a manufacturer-specific diagnostic trouble code: Glow Plug Heater Relay Circuit Open Short To Ground. This code applies to VOLKSWAGEN, BMW, BUICK, CADILLAC, CHEVY vehicles. Unlike generic OBD-II codes, manufacturer-specific codes are defined by the vehicle maker and may only apply to certain makes and models.
Symptoms of P1619
- β οΈ Check Engine Light (MIL) illuminated
- β οΈ No signal from Glow Plug Heater Relay
- β οΈ Related system defaulting to backup values
- β οΈ Reduced engine performance
Common Causes
- π Broken wire in Glow Plug Heater Relay circuit
- π Disconnected Glow Plug Heater Relay electrical connector
- π Glow Plug Heater Relay internal open circuit failure
- π Corroded terminal pins preventing electrical contact
Frequently Asked Questions
What does P1619 mean?
P1619 indicates: Glow Plug Heater Relay Circuit Open Short To Ground. The vehicle's computer has detected that the Glow Plug Heater Relay is not operating within its expected parameters and stored this diagnostic trouble code.
Can I drive with code P1619?
You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P1619 for extended periods may cause additional problems.
How much does it cost to fix P1619?
Repair costs for P1619 typically range from $30 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 ($80β$150 at most shops) will identify the exact cause before committing to expensive parts.
What To Do Next
Possible Fixes
- π§ Locate and repair broken wire in Glow Plug Heater Relay circuit
- π§ Replace damaged Glow Plug Heater Relay connector
- π§ Replace Glow Plug Heater Relay if internally open
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50β$150) pinpoints the root cause.
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