Rear side radar sensor

WARNING: This page is about a different car, the 2021 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

x: Applicable-: Not applicable

DTC REAR SIDE RADAR SENSOR DESCRIPTION

DTC

System malfunction location

i-ACTIVSENSE warning light

Drive cycle

Self test type⁽¹⁾

Memory function

Refer to

B14F2:04

Rear side radar sensor (LH)/(RH) internal malfunction or poor installation

ON ⁽²⁾

C, D

(See DTC B14F2:04 [VEHICLE CONTROL MODULE] .)

B14F2:16

Rear side radar sensor low power supply voltage input

ON ⁽²⁾

C, D

(See DTC B14F2:16 [VEHICLE CONTROL MODULE (US)] .)

B14F2:17

Rear side radar sensor high power supply voltage input

ON ⁽²⁾

C, D

(See DTC B14F2:17 [VEHICLE CONTROL MODULE (US)] .)

B14F2:49

Rear side radar sensor (LH) or (RH) internal malfunction

ON ⁽²⁾

C, D

(See DTC B14F2:49 [VEHICLE CONTROL MODULE] .)

B14F2:4B

Rear side radar sensor (LH) or (RH) internal temperature abnormality

ON ⁽²⁾

C, D

(See DTC B14F2:4B [VEHICLE CONTROL MODULE] .)

B14F2:54

The configuration data for the body control module (BCM) was not received.

ON ⁽²⁾

C, D

(See DTC B14F2:54 [VEHICLE CONTROL MODULE] .)

B14F2:78

Rear side radar sensor optical axis deviation

ON ⁽²⁾

C, D

(See DTC B14F2:78 [VEHICLE CONTROL MODULE] .)

B14F2:86

Error signal received from module related to rear side radar sensor (RH)

ON ⁽²⁾

C, D

(See DTC B14F2:86 [VEHICLE CONTROL MODULE] .)

B14F2:87

Communication error with vehicle control module (VCM) and rear side radar sensor (RH)

ON ⁽²⁾

C, D

(See DTC B14F2:87 [VEHICLE CONTROL MODULE] .)

B14F2:88

Unit communication error (HS-CAN)

ON ⁽²⁾

C, D

(See DTC B14F2:88 [VEHICLE CONTROL MODULE] .)

B14F2:97

Radar sensor sensitivity decreases depending on various external and environmental factors

ON ⁽²⁾

C, D

(See DTC B14F2:97 [VEHICLE CONTROL MODULE] .)

B14FC:00

Rear side radar sensor (LH) or (RH) internal temperature abnormality

ON ⁽²⁾

C, D

(See DTC B14FC:00 [VEHICLE CONTROL MODULE] .)

U2138:00

Communication error with rear side radar sensor (LH)

ON ⁽²⁾

C, D

(See DTC U2138:00 [VEHICLE CONTROL MODULE] .)

U2139:00

Communication error with rear side radar sensor (RH)

ON ⁽²⁾

C, D

(See DTC U2139:00 [VEHICLE CONTROL MODULE] .)

U2519:82

Error signal received from rear side radar sensor (RH)

ON ⁽²⁾

C, D

(See DTC U2519:82 [VEHICLE CONTROL MODULE] .)

⁽¹⁾	C: CMDTC self test, D: ODDTC self test

⁽²⁾	Differs depending on the condition.