wikipedia has quite a bit of information on VW engines and lists EA189 engines as follows;
2.0 R4 16v TDI CR 81-176kW[edit]
identification
Motor type: EA 189 / parts code prefix: 03L, ID codes: CAGA, CAGC, CAHA, CBEA, CBAB, CFFB, CBBB, CBDB, CBDC, CEGA, CFGB, CFCA, CJAA, CLJA
https://en.wikipedia.org/wiki/List_of_Volkswagen_Group_diesel_engines
81
kilowatts (110
PS; 109
bhp) @ 4,200
rpm; 250
newton metres (184
lbf·ft) @ 1,500–2,500 rpm — CBDC
88 kilowatts (120 PS; 118 bhp) @ 4,000 rpm; 290 newton metres (214 lbf·ft) @ 1,750–2,500 rpm — CAGC
SEAT Exeo (09/09->)
100 kilowatts (136 PS; 134 bhp) —
CAGB(AUDI A6 C6 CR)
103 kilowatts (140 PS; 138 bhp) @ 3,750-4,150 rpm; 320 newton metres (236 lbf·ft) @ 1,750–2,800 rpm — CFHC, CBEA, CBAB, CFFB, CBDB, CJAA
Volkswagen Golf Mk6
105 kilowatts (143 PS; 141 bhp) @ 4,200 rpm; 320 newton metres (236 lbf·ft) @ 1,750–2,500 rpm —
Audi B8 A4,
Audi Q5,
SEAT Exeo (CAGA: 12/08->)
110 kilowatts (150 PS; 148 bhp) @ 3,500 rpm; 320 newton metres (236 lbf·ft) @ 1,750–3,000 rpm — CRBC
Audi A3,
Golf VII,
SEAT Leon
125 kilowatts (170 PS; 168 bhp) @ 4,200 rpm; 350 newton metres (258 lbf·ft) @ 1,750–2,500 rpm — CBBB
VW passat cc, CFGB
Audi TT 2.0 TDI quattro,
Audi 8P A3,
Volkswagen Golf Mk6,
Škoda Octavia RS TDI (CEGA: 2008->),
SEAT Exeo (CAHA: 02/09->), CEGA
SEAT Leon
130 kilowatts (177 PS; 174 bhp) @ 4,200 rpm; 380 newton metres (280 lbf·ft) @ 1,750–2,500 rpm— CGLC
Audi A4,
Audi A5,
Audi A6,
132 kilowatts (179 PS; 177 bhp) @ 4,000 rpm; 400 newton metres (295 lbf·ft) @ 1,500–2,000 rpm — CFCA
Volkswagen Transporter (T5) GP biturbo
135 kilowatts (184 PS; 181 bhp) @ 4,000 rpm; 380 newton metres (280 lbf·ft) @ 1,750–3,000 rpm — CUNA
Audi A3,
Golf VII,
SEAT Leon
140 kilowatts (190 PS; 188 bhp) @ 3,800 rpm; 400 newton metres (300 lbf·ft) — CNHA
Audi B8 A4,
Volkswagen Passat 2015
[16]
176 kilowatts (239 PS; 236 bhp) @ 4,000 rpm; 500 newton metres (369 lbf·ft) — CUAA
Volkswagen Passat 2015 TDI BiTurbo
[16]
So my Golf GTD is affected as its engine code CFGB (listed in section 3 of the vehicle data sticker on the inside of the service manual