PowertrainP1040
SeriousSeverity: Serious - have it checked soon
Brake pressure senor
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 checked immediately: brakes or brake assistance may be affected. Do not drive if the pedal feels soft or hard, the car pulls when braking, or the brake warning light is on.
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 22
| Brand | Code | Description | System |
|---|---|---|---|
| Ashok Leyland CV | P1040 | No description available | Powertrain |
| BAIC Motor | P1040 | Power battery cell voltage undervoltage protection fault Brand | Powertrain |
| Mercedes-Benz | P1040 | No description available | Powertrain |
| BYD | P1040 | NO. 065 battery voltage sampling wire loop fault Brand | Powertrain |
| Chery | P1040 | Supply Voltage A for Injectors: Circuit Malfunction Brand | Powertrain |
| Daewoo | P1040 | Latched B+ Line Low Brand | Powertrain |
| DFXK | P1040 | Throttle valve H-bridge driver overheated Brand | Powertrain |
| EOBD | P1040 | Remdruksensor Brand | Powertrain |
| Geely | P1040 | Supply Voltage A for Injectors: Circuit Malfunction Brand | Powertrain |
| GM | P1040 | Latched B+ Line Low Brand | Powertrain |
| Great Wall | P1040 | Throttle H bridge, overtemperature Brand | Powertrain |
| Holden | P1040 | Reductant Pump Control Circuit Shorted Brand | Powertrain |
| Isuzu | P1040 | No description available | Powertrain |
| Mahindra | P1040 | No description available | Powertrain |
| Mitsubishi | P1040 | INCOMP.Minimum lift POS. learning Brand | Powertrain |
| Opel | P1040 | Latched B+ Line Low Brand | Powertrain |
| Peugeot | P1040 | No description available | Powertrain |
| Porsche | P1040 | No description available | Powertrain |
| Proton | P1040 | INCOMP.Minimum lift POS. learning Brand | Powertrain |
| Saab | P1040 | Latched B+ Line Low Brand | Powertrain |
| Suzuki | P1040 | BRAKE PRESSURE SEN Brand | Powertrain |
| Toyota | P1040 | Brake pressure senor 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 2
These 7-character codes are manufacturer-specific variants of P1040 and may be reported by some scan tools.
| Brand | Code | Description | System |
|---|---|---|---|
| Mercedes-Benz | P104000 | Nachrichtenunterbrechung Zentrales Gateway (ZGW) Brand | Powertrain |
| Sprinter | P104000 | Nachrichtenunterbrechung Zentrales Gateway (ZGW) Brand | Powertrain |
6Related codes
Browse Pxxx codes or P104xx codes.