Fault code lookup

BodyB1605

Caution

Severity: Caution - get it checked when you can

Battery charging status unit reset

26 brands affected · Description from Toyota data.

Safety: This code relates to the charging system. The battery may go flat and the car may stall.

1What it means in plain English

The battery charging status monitor has reset, so the car may not be tracking the battery's charge state correctly.

2Common causes

  1. Recent battery replacement or disconnection
  2. Low or unstable battery voltage
  3. Faulty battery monitoring sensor
  4. Damaged wiring or connector
  5. Charging system fault

3Can I drive?

Caution · drive with care

If the battery or charging warning light is on, or the car is slow to start, drive straight to a workshop. Otherwise have the charging system checked soon; the battery may go flat.

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 26

BrandCodeDescriptionSystem
Mercedes-BenzB1605No description available Body
BYDB1605DR pretensioner squib grounding BrandBody
CheryB1605DR pretensioner squib grounding BrandBody
DaewooB1605No description available Body
DaihatsuB1605L side front mechanical sensor failure BrandBody
DFFSB1605Battery charging status unit reset BrandBody
DFFXB1605DR pretensioner squib grounding BrandBody
FordB1605No description available Body
GeelyB1605DR pretensioner squib grounding BrandBody
GMB1605Lf/driver mirror motor 2 circuit BrandBody
Great WallB1605DR pretensioner squib grounding BrandBody
HafeiB1605DR pretensioner squib grounding BrandBody
HoldenB1605Battery Sensor Module BrandBody
HondaB1605Keyless access unit lost communication with MICU BrandBody
HyundaiB1605No description available Body
Land RoverB1605No description available Body
MazdaB1605No description available Body
MitsubishiB1605DR pretensioner squib grounding BrandBody
OpelB1605Lf/driver mirror motor 2 circuit BrandBody
PeroduaB1605L side front mechanical sensor failure BrandBody
PeugeotB1605No description available Body
ProtonB1605DR pretensioner squib grounding BrandBody
SaabB1605LF/Driver Mirror Motor 2 Circuit BrandBody
SprinterB1605No description available Body
SuzukiB1605No description available Body
ToyotaB1605Battery charging status unit reset BrandBody

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 B1605 and may be reported by some scan tools.

BrandCodeDescriptionSystem
HyundaiB160500If DDM CAN message is not received, IGPM sets DTC BrandBody
SsangYongB160500EOL alignment failed azimuth - antenna power not correct BrandBody
Mercedes-BenzB160513Speaker open circuit BrandBody

6Related codes

Browse Bxxx codes or B160xx codes.

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