Medium severity
P0077High Voltage in Intake Phase Control Solenoid Circuit (Bank 1)
Part
Phase Control Solenoid
Part price
$63
At a workshop
$100
You save
$38
How to read code P0077
P
System
Powertrain (engine and transmission)
0
Code type
Generic code (SAE / OBD-II)
0
Subsystem
General system / auxiliary measurement
77
Fault number
Specific fault within the subsystem
Symptoms
- No phase control regulation
- Reduced vehicle performance
- Check Engine Light On
Possible causes
- Break in the power circuit of the phase control solenoid
- Engine controller module damage (less common)
- Faulty phase control solenoid connector
Diagnostic steps
- 1Check electrical connection at the connector
- 2Test for continuity on the wires leading to the computer
- 3Replace the phase control solenoid as a test
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Frequently asked questions about P0077
What does code P0077 mean?
P0077: High Voltage in Intake Phase Control Solenoid Circuit (Bank 1).
What are the symptoms of code P0077?
No phase control regulation; Reduced vehicle performance; Check Engine Light On.
What causes code P0077?
Break in the power circuit of the phase control solenoid; Engine controller module damage (less common); Faulty phase control solenoid connector.
Can I drive with code P0077?
SAFE TO DRIVE – The fault does not immobilise the car, but diagnose it as soon as possible.
How much does it cost to fix code P0077?
The part (Phase Control Solenoid) costs about $63, and a mechanic’s labour about $38.
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