PowertrainP1629
CautionSeverity: Caution - get it checked when you can
Spring does not open
Key terms: Control module: a small computer that runs one part of the car · Powertrain: engine, transmission and emissions
1What it means in plain English
The engine or powertrain control system has stored a fault that does not have specific guidance in this database yet.
2Common causes
- Sensor or actuator fault
- Wiring or connector fault
- Vacuum or intake leak
- Fuel or ignition problem
- Control module fault
3Can I drive?
Have it diagnosed promptly. If the car runs and drives normally, drive gently to a workshop. If it runs badly, stalls, overheats, loses oil pressure, or a warning light is flashing or red, stop safely and get professional help. If the code concerns the brakes, brake vacuum or brake assist, do not drive until it is checked: a hard pedal or longer stopping distance means stop.
This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.
4Brand data 27
| Brand | Code | Description | System |
|---|---|---|---|
| Ashok Leyland CV | P1629 | No description available | Powertrain |
| Mercedes-Benz | P1629 | No description available | Powertrain |
| BMW | P1629 | Spring does not open Brand | Powertrain |
| BYD | P1629 | Actuator valve 1 circuit fault Brand | Powertrain |
| Chery | P1629 | Error Path Of ThrVlv Stateline Brand | Powertrain |
| Daewoo | P1629 | Immobiliser No Or Wrong Signal Brand | Powertrain |
| DFFS | P1629 | Estimated mechanical friction inconsistent with the actual Brand | Powertrain |
| DFFX | P1629 | Safety level 2: Unreasonable water temperature Brand | Powertrain |
| DFXK | P1629 | Virtual Starter Indication Brand | Powertrain |
| EOBD | P1629 | Getriebesteuergerät Brand | Powertrain |
| Geely | P1629 | Powertrain Data Bus: Missing Message from Auto-Distance Controller Brand | Powertrain |
| GM | P1629 | Internal Voltage Regulator Malfunction Brand | Powertrain |
| Great Wall | P1629 | Virtual fault, not used Brand | Powertrain |
| Holden | P1629 | Immobilizer Fuel Enable Signal Not Received Brand | Powertrain |
| Honda | P1629 | No description available | Powertrain |
| Hyundai | P1629 | No description available | Powertrain |
| Isuzu | P1629 | No description available | Powertrain |
| Land Rover | P1629 | No description available | Powertrain |
| Mahindra | P1629 | No description available | Powertrain |
| Opel | P1629 | Internal Voltage Regulator Malfunction Brand | Powertrain |
| Peugeot | P1629 | No description available | Powertrain |
| Porsche | P1629 | No description available | Powertrain |
| Proton | P1629 | No description available | Powertrain |
| Saab | P1629 | Internal Voltage Regulator Malfunction Brand | Powertrain |
| Sprinter | P1629 | No description available | Powertrain |
| Tata | P1629 | No description available | Powertrain |
| Toyota | P1629 | Estimated mechanical friction inconsistent with the actual Brand | Powertrain |
Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.
5Extended variant codes 3
These 7-character codes are manufacturer-specific variants of P1629 and may be reported by some scan tools.
| Brand | Code | Description | System |
|---|---|---|---|
| Mercedes-Benz | P162900 | PoI2 Shut Off Brand | Powertrain |
| Sprinter | P162900 | PoI2 Shut Off Brand | Powertrain |
| SsangYong | P162900 | TCU internal defect (watchdog test fault) Brand | Powertrain |
6Related codes
Browse Pxxx codes or P162xx codes.