PowertrainP0691
SeriousSeverity: Serious - have it checked soon
Fan 1 Control Circuit Low
Key terms: Control module: a small computer that runs one part of the car · SAE J2012: the standard generic code list · Powertrain: engine, transmission and emissions
1What it means in plain English
The engine computer or one of its output circuits has a fault.
2Common causes
- Engine control module fault
- Power or ground connection problem
- Low battery or charging voltage
- Wiring short or open circuit
- Software or memory fault
3Can I drive?
If the engine runs normally, drive carefully to a workshop for diagnosis. If it runs badly, stalls, or will not restart, have the car towed.
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 35
| Brand | Code | Description | System |
|---|---|---|---|
| Ashok Leyland CV | P0691 | Hybrid Battery. Temperature Sensor. (Sensor P.) - High Signal Brand | Powertrain |
| BAIC Motor | P0691 | Fan 1 Control Circuit Low Brand | Powertrain |
| Mercedes-Benz | P0691 | Fan 1 Control Circuit Low SAE | Powertrain |
| BMW | P0691 | Short circuit to negative Brand | Powertrain |
| BYD | P0691 | Fan 1 Control Circuit Low Brand | Powertrain |
| Chery | P0691 | Fan circuit 1 Brand | Powertrain |
| Daewoo | P0691 | Fan 1 Control Circuit Low Brand | Powertrain |
| DFFS | P0691 | Fan high-speed control Brand | Powertrain |
| DFFX | P0691 | Fan 1 Control Circuit Low Brand | Powertrain |
| DFXK | P0691 | Fan 1 Control Circuit Low Brand | Powertrain |
| EOBD | P0691 | Styrkrets fläkt 1 låg Brand | Powertrain |
| Geely | P0691 | Fan 1 Control Circuit Low Brand | Powertrain |
| GM | P0691 | Fan 1 Control Circuit Low Brand | Powertrain |
| Great Wall | P0691 | Fan 1 Control Circuit Low Brand | Powertrain |
| Hafei | P0691 | Fan 1 Control Circuit Low Brand | Powertrain |
| Holden | P0691 | Cooling Fan Control Circuit Low Voltage Brand | Powertrain |
| Hyundai | P0691 | Fan 1 Control Circuit Low SAE | Powertrain |
| Isuzu | P0691 | Fan 1 Control Circuit Low SAE | Powertrain |
| Land Rover | P0691 | Fan 1 Control Circuit Low SAE | Powertrain |
| Mahindra | P0691 | Fan 1 Control Circuit Low SAE | Powertrain |
| Maserati | P0691 | Cooling fan 1 control circuit low Brand | Powertrain |
| Mitsubishi | P0691 | Fan control circuit low Brand | Powertrain |
| Opel | P0691 | Fan 1 Control Circuit Low Brand | Powertrain |
| Peugeot | P0691 | Fan 1 Control Circuit Low SAE | Powertrain |
| Porsche | P0691 | Fan 1 Control Circuit Low SAE | Powertrain |
| Proton | P0691 | Fan control circuit low Brand | Powertrain |
| Saab | P0691 | Fan 1 Control Circuit Low Brand | Powertrain |
| MG (SAIC) | P0691 | Fan 1 Control Circuit Low Brand | Powertrain |
| Sprinter | P0691 | Fan 1 Control Circuit Low SAE | Powertrain |
| Subaru | P0691 | Cooling Fan Relay 1 Circuit Low Brand | Powertrain |
| Suzuki | P0691 | Rad fan relay 1 Con Crt low Brand | Powertrain |
| SWM Motor | P0691 | Cooling fan relay control circuit short circuit to ground Brand | Powertrain |
| Tata | P0691 | Fan 1 Control Circuit Low Brand | Powertrain |
| Toyota | P0691 | Low-speed fan control circuit short to ground Brand | Powertrain |
| Volkswagen | P0691 | Fan 1 control circuit: short to GND; Short to plus 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 5
These 7-character codes are manufacturer-specific variants of P0691 and may be reported by some scan tools.
| Brand | Code | Description | System |
|---|---|---|---|
| Mercedes-Benz | P069100 | Der Ausgang des elektrischen Lüfters 1 hat Kurzschluss nach Masse. Brand | Powertrain |
| SsangYong | P069100 | Cooling fan (low speed) circuit short to ground Brand | Powertrain |
| SsangYong | P069111 | Cooling fan (low speed) circuit short to ground Brand | Powertrain |
| SsangYong | P069113 | Cooling fan (low speed) circuit open Brand | Powertrain |
| Mercedes-Benz | P069116 | Der Ausgang des elektrischen Lüfters 1 hat Kurzschluss nach Masse. Der Grenzwert für elektrische Spannung ist unterschritten. Brand | Powertrain |
6Related codes
Browse Pxxx codes or P069xx codes.