GM 2-Pin VVT Solenoid & Water Temperature Sensor Connector – OEM 15449028 / 13512990
Direct OEM-specification replacement for the GM 2-pin connector used on VVT (Variable Valve Timing) solenoid valves and engine coolant temperature sensors. Cross-references OEM part numbers 15449028 and 13512990. Available bare or with 15cm pre-wired leads.
| OEM Number | Application |
|---|---|
| 15449028 | GM VVT solenoid / sensor connector |
| 13512990 | GM alternate part number |
| Pin | Function (VVT Solenoid) | Function (ECT Sensor) | Failure Symptom |
|---|---|---|---|
| 1 | +12V switched power to solenoid | +5V reference from ECU | P0010 / P0020 (VVT) or P0117 (ECT) |
| 2 | ECU-controlled ground (PWM) | Signal / ground return to ECU | P0011 / P0021 (VVT) or P0118 (ECT) |
| Attribute | Detail |
|---|---|
| Pin Count | 2-Pin |
| OEM Part Numbers | 15449028 / 13512990 |
| Housing Material | High-temp nylon (PA66) |
| Wire Option | Bare connector / 15cm pre-wired leads |
| Application | VVT solenoid valve, engine coolant temperature sensor |
| Compatible Brands | Chevrolet, Buick, Opel/Vauxhall, Cadillac |
| Code | Description |
|---|---|
| P0010 | Intake camshaft position actuator circuit (Bank 1) — VVT solenoid open/short |
| P0011 | Intake camshaft position — timing over-advanced (Bank 1) |
| P0020 | Intake camshaft position actuator circuit (Bank 2) |
| P0021 | Intake camshaft position — timing over-advanced (Bank 2) |
| P0117 | Engine coolant temperature sensor — circuit low |
| P0118 | Engine coolant temperature sensor — circuit high |
GM VVT solenoid connectors are mounted on the valve cover or cylinder head, in the highest-temperature zone of the engine bay. Thermal cycling from cold start to operating temperature (repeated daily) causes the connector housing to expand and contract, fatiguing the locking tab over time. On GM Ecotec (Z18XER, A18XER) and LS-family engines, oil vapour from the PCV system coats the VVT solenoid connector terminals, increasing contact resistance. A high-resistance connection on the PWM ground pin (Pin 2) causes the ECU to log P0010/P0011 — the VVT system cannot advance cam timing correctly, resulting in rough idle and reduced fuel economy.
Q: My GM has P0010 but the VVT solenoid tests OK — what’s wrong?
A: P0010 is a circuit fault — it means the ECU cannot control the VVT solenoid correctly, which can be caused by a corroded connector rather than a failed solenoid. Inspect the 2-pin connector for corrosion on Pin 2 (PWM ground) before replacing the solenoid.
Q: Are terminals included?
A: Yes, terminals are included with all variants.
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2 Pin Connectors
